{"title":"Reznor","description":"","products":[{"product_id":"reznor-udx-300000-btu-natural-gas-unit-heater","title":"Reznor UDX 300,000 BTU Natural Gas Unit Heater - NUDX300","description":"\u003ch2\u003eReznor UDX 300,000 BTU Natural Gas Unit Heater - NUDX300\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1208fs0\" data-start=\"27\" data-end=\"300\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"66\"\u003eBuilt for serious heating demands\u003c\/strong\u003e\u003cbr data-start=\"66\" data-end=\"69\"\u003eWith \u003cstrong data-start=\"76\" data-end=\"97\"\u003e300,000 BTU input\u003c\/strong\u003e, this unit is engineered for \u003cstrong data-start=\"127\" data-end=\"180\" data-is-only-node=\"\"\u003elarge commercial, industrial, or warehouse spaces\u003c\/strong\u003e, delivering powerful and consistent heat output where smaller units fall short. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18scvhc\" data-start=\"302\" data-end=\"560\"\u003e\n\u003cstrong data-start=\"304\" data-end=\"339\"\u003eStrong efficiency for its class\u003c\/strong\u003e\u003cbr data-start=\"339\" data-end=\"342\"\u003eOperating at around \u003cstrong data-start=\"364\" data-end=\"376\"\u003e83% AFUE\u003c\/strong\u003e, it strikes a solid balance between \u003cstrong data-start=\"413\" data-end=\"462\" data-is-only-node=\"\"\u003efuel efficiency and high-capacity performance\u003c\/strong\u003e, making it a practical choice for long operational hours. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wszmc5\" data-start=\"562\" data-end=\"785\"\u003e\n\u003cstrong data-start=\"564\" data-end=\"594\"\u003eDurability you can rely on\u003c\/strong\u003e\u003cbr data-start=\"594\" data-end=\"597\"\u003eThe \u003cstrong data-start=\"603\" data-end=\"646\"\u003eTCORE2® aluminized steel heat exchanger\u003c\/strong\u003e is designed for longevity under demanding conditions—ideal for environments with heavy-duty usage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ia9m4v\" data-start=\"787\" data-end=\"1002\"\u003e\n\u003cstrong data-start=\"789\" data-end=\"827\"\u003eSmart diagnostics \u0026amp; easy servicing\u003c\/strong\u003e\u003cbr data-start=\"827\" data-end=\"830\"\u003eFeatures like a \u003cstrong data-start=\"848\" data-end=\"895\"\u003e7-segment display board and LED diagnostics\u003c\/strong\u003e simplify troubleshooting, reducing downtime and maintenance costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"720pl0\" data-start=\"1004\" data-end=\"1229\"\u003e\n\u003cstrong data-start=\"1006\" data-end=\"1040\"\u003eQuiet, low-vibration operation\u003c\/strong\u003e\u003cbr data-start=\"1040\" data-end=\"1043\"\u003eDespite its size, the unit uses \u003cstrong data-start=\"1077\" data-end=\"1123\"\u003evibration-isolated motors and an axial fan\u003c\/strong\u003e to maintain relatively low noise levels—important for workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1iz7bje\" data-start=\"1231\" data-end=\"1433\"\u003e\n\u003cstrong data-start=\"1233\" data-end=\"1264\"\u003eEfficient heat distribution\u003c\/strong\u003e\u003cbr data-start=\"1264\" data-end=\"1267\"\u003eWith airflow reaching \u003cstrong data-start=\"1291\" data-end=\"1333\"\u003e~3,800+ CFM and up to 90+ ft air throw\u003c\/strong\u003e, it ensures wide and even heat coverage across large areas. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_21_\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"94\" data-end=\"347\"\u003e\u003cstrong data-start=\"94\" data-end=\"145\"\u003eQ1: What size space can the Reznor UDX300 heat?\u003c\/strong\u003e\u003cbr data-start=\"145\" data-end=\"148\"\u003eA: With \u003cstrong data-start=\"156\" data-end=\"201\"\u003e300,000 BTU input and ~249,000 BTU output\u003c\/strong\u003e, it’s ideal for large commercial, industrial, or warehouse spaces requiring powerful, consistent heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"349\" data-end=\"546\"\u003e\u003cstrong data-start=\"349\" data-end=\"399\"\u003eQ2: How efficient is the Reznor UDX300 heater?\u003c\/strong\u003e\u003cbr data-start=\"399\" data-end=\"402\"\u003eA: It offers up to \u003cstrong data-start=\"421\" data-end=\"444\"\u003e83% AFUE efficiency\u003c\/strong\u003e, delivering strong heat output while minimizing energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"548\" data-end=\"739\"\u003e\u003cstrong data-start=\"548\" data-end=\"600\"\u003eQ3: What type of fuel does this unit heater use?\u003c\/strong\u003e\u003cbr data-start=\"600\" data-end=\"603\"\u003eA: The NUDX300 operates on \u003cstrong data-start=\"630\" data-end=\"645\"\u003enatural gas\u003c\/strong\u003e and can be converted to propane with an optional kit. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"741\" data-end=\"962\"\u003e\u003cstrong data-start=\"741\" data-end=\"798\"\u003eQ4: Is the Reznor UDX300 suitable for commercial use?\u003c\/strong\u003e\u003cbr data-start=\"798\" data-end=\"801\"\u003eA: Yes, it’s designed for \u003cstrong data-start=\"827\" data-end=\"869\"\u003ecommercial and industrial applications\u003c\/strong\u003e, including workshops, garages, and large facilities. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"964\" data-end=\"1202\"\u003e\u003cstrong data-start=\"964\" data-end=\"1015\"\u003eQ5: What makes the UDX300 durable and reliable?\u003c\/strong\u003e\u003cbr data-start=\"1015\" data-end=\"1018\"\u003eA: It features a \u003cstrong data-start=\"1035\" data-end=\"1098\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e, ensuring long-lasting performance and resistance to corrosion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1204\" data-end=\"1404\"\u003e\u003cstrong data-start=\"1204\" data-end=\"1236\"\u003eQ6: Does it operate quietly?\u003c\/strong\u003e\u003cbr data-start=\"1236\" data-end=\"1239\"\u003eA: Yes, the unit includes a \u003cstrong data-start=\"1267\" data-end=\"1315\"\u003elow-noise axial fan with vibration isolation\u003c\/strong\u003e, making it quieter than many comparable heaters. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1406\" data-end=\"1658\"\u003e\u003cstrong data-start=\"1406\" data-end=\"1451\"\u003eQ7: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1451\" data-end=\"1454\"\u003eA: The heater includes \u003cstrong data-start=\"1477\" data-end=\"1560\"\u003eexternal gas connections, diagnostic LED indicators, and a simple control board\u003c\/strong\u003e, making installation and troubleshooting straightforward. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1660\" data-end=\"1882\"\u003e\u003cstrong data-start=\"1660\" data-end=\"1715\"\u003eQ8: What are the key airflow and performance specs?\u003c\/strong\u003e\u003cbr data-start=\"1715\" data-end=\"1718\"\u003eA: It delivers up to \u003cstrong data-start=\"1739\" data-end=\"1789\"\u003e3843 CFM airflow with an air throw of ~94 feet\u003c\/strong\u003e, ensuring even heat distribution across large areas.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"10dzut7\" data-start=\"81\" data-end=\"264\"\u003e\n\u003cstrong data-start=\"83\" data-end=\"116\"\u003eClean air pathways regularly:\u003c\/strong\u003e Keep fan blades, louvers, and intake areas dust-free to maintain proper airflow and efficiency (≈83% AFUE). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17ut05t\" data-start=\"265\" data-end=\"443\"\u003e\n\u003cstrong data-start=\"267\" data-end=\"303\"\u003eInspect heat exchanger annually:\u003c\/strong\u003e Check for cracks or corrosion to ensure safe combustion and long lifespan of the TCORE2® exchanger. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sgdijp\" data-start=\"444\" data-end=\"637\"\u003e\n\u003cstrong data-start=\"446\" data-end=\"487\"\u003eCheck gas pressure \u0026amp; ignition system:\u003c\/strong\u003e Verify proper operation of the direct spark ignition and gas connections to prevent misfires or inefficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"140vlfn\" data-start=\"638\" data-end=\"811\"\u003e\n\u003cstrong data-start=\"640\" data-end=\"667\"\u003eMonitor venting system:\u003c\/strong\u003e Ensure the power vent and flue are clear of obstructions to avoid heat loss and unsafe exhaust buildup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"404z2d\" data-start=\"812\" data-end=\"986\"\u003e\n\u003cstrong data-start=\"814\" data-end=\"849\"\u003eTighten electrical connections:\u003c\/strong\u003e Periodically inspect wiring, control board, and LED diagnostics for faults or loose connections. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"drr80n\" data-start=\"987\" data-end=\"1132\"\u003e\n\u003cstrong data-start=\"989\" data-end=\"1022\"\u003eLubricate and inspect motors:\u003c\/strong\u003e Keep fan and venter motors running smoothly to reduce noise and wear. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zrwnqs\" data-start=\"1133\" data-end=\"1290\"\u003e\n\u003cstrong data-start=\"1135\" data-end=\"1171\"\u003eSchedule professional servicing:\u003c\/strong\u003e Annual HVAC servicing helps maintain warranty compliance and peak performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483795939519,"sku":"NUDX300","price":3289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_b0d565cc-0e72-4978-8669-098303aee00e.jpg?v=1775897112"},{"product_id":"reznor-udx-75000-btu-natural-gas-unit-heater","title":"Reznor UDX 75,000 BTU Natural Gas Unit Heater - NUDX75","description":"\u003ch2\u003eReznor UDX 75,000 BTU Natural Gas Unit Heater - NUDX75\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-end=\"275\" data-start=\"27\" data-section-id=\"1p7ygwd\"\u003e\n\u003cstrong data-end=\"66\" data-start=\"29\"\u003ePerfectly sized for medium spaces\u003c\/strong\u003e\u003cbr data-end=\"69\" data-start=\"66\"\u003eWith \u003cstrong data-end=\"90\" data-start=\"76\"\u003e75,000 BTU\u003c\/strong\u003e, this unit hits the sweet spot for \u003cstrong data-is-only-node=\"\" data-end=\"176\" data-start=\"126\"\u003egarages, workshops, and small commercial areas\u003c\/strong\u003e—powerful enough for consistent heating without oversizing. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"521\" data-start=\"277\" data-section-id=\"73na8f\"\u003e\n\u003cstrong data-end=\"319\" data-start=\"279\"\u003eReliable efficiency for everyday use\u003c\/strong\u003e\u003cbr data-end=\"322\" data-start=\"319\"\u003eOperating at \u003cstrong data-end=\"350\" data-start=\"337\"\u003e~83% AFUE\u003c\/strong\u003e, it delivers solid fuel efficiency while maintaining strong heating output—ideal for users balancing performance and energy costs. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"750\" data-start=\"523\" data-section-id=\"1j66ire\"\u003e\n\u003cstrong data-end=\"564\" data-start=\"525\"\u003eBuilt to last in tough environments\u003c\/strong\u003e\u003cbr data-end=\"567\" data-start=\"564\"\u003eThe \u003cstrong data-end=\"616\" data-start=\"573\"\u003eTCORE2 aluminized steel heat exchanger\u003c\/strong\u003e resists corrosion and wear, making it a dependable choice for dusty or high-use environments. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"966\" data-start=\"752\" data-section-id=\"rhxshi\"\u003e\n\u003cstrong data-end=\"789\" data-start=\"754\"\u003eQuiet and comfortable operation\u003c\/strong\u003e\u003cbr data-end=\"792\" data-start=\"789\"\u003eA \u003cstrong data-end=\"829\" data-start=\"796\"\u003evibration-isolated fan system\u003c\/strong\u003e keeps noise levels low (~49 dB), making it suitable for active workspaces where comfort matters. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1169\" data-start=\"968\" data-section-id=\"160g7ub\"\u003e\n\u003cstrong data-end=\"1005\" data-start=\"970\"\u003eStrong air circulation coverage\u003c\/strong\u003e\u003cbr data-end=\"1008\" data-start=\"1005\"\u003eWith up to \u003cstrong data-end=\"1040\" data-start=\"1021\"\u003e961 CFM airflow\u003c\/strong\u003e and ~57 ft air throw, it distributes heat evenly—reducing cold spots in mid-sized areas. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1411\" data-start=\"1171\" data-section-id=\"wwh6gx\"\u003e\n\u003cstrong data-end=\"1214\" data-start=\"1173\"\u003eInstaller-friendly \u0026amp; easy maintenance\u003c\/strong\u003e\u003cbr data-end=\"1217\" data-start=\"1214\"\u003eFeatures like \u003cstrong data-end=\"1300\" data-start=\"1233\"\u003eLED diagnostics, 7-segment display, and external gas connection\u003c\/strong\u003e simplify servicing and troubleshooting—saving time and cost long-term. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1611\" data-start=\"1413\" data-section-id=\"85wb9y\"\u003e\n\u003cstrong data-end=\"1454\" data-start=\"1415\"\u003eFlexible mounting \u0026amp; venting options\u003c\/strong\u003e\u003cbr data-end=\"1457\" data-start=\"1454\"\u003eSupports \u003cstrong data-end=\"1500\" data-start=\"1468\"\u003eceiling or wall installation\u003c\/strong\u003e with power venting to reduce heat loss and adapt to different layouts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"99\" data-end=\"318\"\u003e\u003cstrong data-start=\"99\" data-end=\"155\"\u003eQ: What is the heating capacity of the Reznor UDX75?\u003c\/strong\u003e\u003cbr data-start=\"155\" data-end=\"158\"\u003eA: It provides \u003cstrong data-start=\"173\" data-end=\"214\"\u003e75,000 BTU input (≈62,000 BTU output)\u003c\/strong\u003e, ideal for \u003cstrong data-start=\"226\" data-end=\"277\"\u003egarages, workshops, and small commercial spaces\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"320\" data-end=\"511\"\u003e\u003cstrong data-start=\"320\" data-end=\"378\"\u003eQ: What efficiency rating does this unit heater offer?\u003c\/strong\u003e\u003cbr data-start=\"378\" data-end=\"381\"\u003eA: The UDX75 operates at \u003cstrong data-start=\"406\" data-end=\"435\"\u003eup to 83% AFUE efficiency\u003c\/strong\u003e, helping reduce energy consumption. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"513\" data-end=\"682\"\u003e\u003cstrong data-start=\"513\" data-end=\"555\"\u003eQ: What fuel type does the NUDX75 use?\u003c\/strong\u003e\u003cbr data-start=\"555\" data-end=\"558\"\u003eA: It runs on \u003cstrong data-start=\"572\" data-end=\"587\"\u003enatural gas\u003c\/strong\u003e and can be converted to propane with a compatible kit. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"684\" data-end=\"873\"\u003e\u003cstrong data-start=\"684\" data-end=\"724\"\u003eQ: Is the Reznor UDX75 power vented?\u003c\/strong\u003e\u003cbr data-start=\"724\" data-end=\"727\"\u003eA: Yes, it features \u003cstrong data-start=\"747\" data-end=\"764\"\u003epower venting\u003c\/strong\u003e, which improves efficiency by minimizing heat loss through the flue. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"875\" data-end=\"1073\"\u003e\u003cstrong data-start=\"875\" data-end=\"920\"\u003eQ: What makes the heat exchanger durable?\u003c\/strong\u003e\u003cbr data-start=\"920\" data-end=\"923\"\u003eA: It includes a \u003cstrong data-start=\"940\" data-end=\"1003\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long-lasting performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1075\" data-end=\"1272\"\u003e\u003cstrong data-start=\"1075\" data-end=\"1112\"\u003eQ: How quiet is this unit heater?\u003c\/strong\u003e\u003cbr data-start=\"1112\" data-end=\"1115\"\u003eA: Designed with \u003cstrong data-start=\"1132\" data-end=\"1161\"\u003evibration-isolated motors\u003c\/strong\u003e, it operates at \u003cstrong data-start=\"1178\" data-end=\"1207\"\u003elow noise levels (~49 dB)\u003c\/strong\u003e for quieter performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1274\" data-end=\"1494\"\u003e\u003cstrong data-start=\"1274\" data-end=\"1318\"\u003eQ: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1318\" data-end=\"1321\"\u003eA: Yes, it offers \u003cstrong data-start=\"1339\" data-end=\"1415\"\u003eexternal gas connections, multiple mounting options, and LED diagnostics\u003c\/strong\u003e for simple installation and servicing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1496\" data-end=\"1692\"\u003e\u003cstrong data-start=\"1496\" data-end=\"1545\"\u003eQ: What applications is this heater best for?\u003c\/strong\u003e\u003cbr data-start=\"1545\" data-end=\"1548\"\u003eA: Perfect for \u003cstrong data-start=\"1563\" data-end=\"1626\"\u003eresidential garages, workshops, and light commercial spaces\u003c\/strong\u003e needing reliable heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1694\" data-end=\"1900\"\u003e\u003cstrong data-start=\"1694\" data-end=\"1734\"\u003eQ: Does it include airflow features?\u003c\/strong\u003e\u003cbr data-start=\"1734\" data-end=\"1737\"\u003eA: Yes, it uses an \u003cstrong data-start=\"1756\" data-end=\"1803\"\u003eaxial propeller fan with horizontal louvers\u003c\/strong\u003e for efficient air distribution (up to ~57 ft air throw).\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1gg64ok\" data-start=\"79\" data-end=\"274\"\u003e\n\u003cstrong data-start=\"81\" data-end=\"113\"\u003eClean heat exchanger yearly:\u003c\/strong\u003e The TCORE2® aluminized steel exchanger should stay dust\/carbon-free to maintain ~83% efficiency and prevent overheating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ilmpk0\" data-start=\"275\" data-end=\"453\"\u003e\n\u003cstrong data-start=\"277\" data-end=\"314\"\u003eInspect burner \u0026amp; ignition system:\u003c\/strong\u003e Check multi-try direct spark ignition and flame sensor for consistent startup and safe combustion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jicukp\" data-start=\"454\" data-end=\"599\"\u003e\n\u003cstrong data-start=\"456\" data-end=\"481\"\u003eClear venting system:\u003c\/strong\u003e Ensure power-vent flue is unobstructed to avoid heat loss and airflow issues. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qw6l6\" data-start=\"600\" data-end=\"767\"\u003e\n\u003cstrong data-start=\"602\" data-end=\"636\"\u003eCheck fan \u0026amp; motor performance:\u003c\/strong\u003e Clean axial fan blades and inspect vibration-isolated motors for quiet, efficient airflow. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12c128d\" data-start=\"768\" data-end=\"923\"\u003e\n\u003cstrong data-start=\"770\" data-end=\"811\"\u003eTighten gas \u0026amp; electrical connections:\u003c\/strong\u003e External gas connections and wiring should remain secure and leak-free. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9ztv48\" data-start=\"924\" data-end=\"1076\"\u003e\n\u003cstrong data-start=\"926\" data-end=\"954\"\u003eMonitor LED diagnostics:\u003c\/strong\u003e Use onboard display\/LED indicators for early fault detection and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"emf2nk\" data-start=\"1077\" data-end=\"1183\"\u003e\n\u003cstrong data-start=\"1079\" data-end=\"1113\"\u003eKeep unit clean (dust\/debris):\u003c\/strong\u003e Prevent airflow restriction and maintain consistent heating output.\u003c\/li\u003e\n\u003cli data-section-id=\"le7ctq\" data-start=\"1184\" data-end=\"1353\"\u003e\n\u003cstrong data-start=\"1186\" data-end=\"1218\"\u003eAnnual professional service:\u003c\/strong\u003e Extends lifespan, protects warranty (up to 9-year heat exchanger), and ensures safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483795972287,"sku":"NUDX75","price":1553.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_7cff24e4-7a30-4852-b188-9826eb876943.jpg?v=1775897115"},{"product_id":"reznor-udx-350000-btu-natural-gas-unit-heater","title":"Reznor UDX 350,000 BTU Natural Gas Unit Heater - NUDX350","description":"\u003ch2\u003eReznor UDX 350,000 BTU Natural Gas Unit Heater - NUDX350\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"17hrno4\" data-start=\"27\" data-end=\"333\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"76\"\u003eMaximum heating power for very large spaces\u003c\/strong\u003e\u003cbr data-start=\"76\" data-end=\"79\"\u003eWith \u003cstrong data-start=\"86\" data-end=\"107\"\u003e350,000 BTU input\u003c\/strong\u003e, this model is built for \u003cstrong data-start=\"133\" data-end=\"186\" data-is-only-node=\"\"\u003eheavy-duty commercial and industrial environments\u003c\/strong\u003e—ideal for large warehouses, factories, and aircraft hangars where consistent high-output heat is critical. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kwildw\" data-start=\"335\" data-end=\"565\"\u003e\n\u003cstrong data-start=\"337\" data-end=\"369\"\u003eReliable efficiency at scale\u003c\/strong\u003e\u003cbr data-start=\"369\" data-end=\"372\"\u003eDelivering around \u003cstrong data-start=\"392\" data-end=\"407\"\u003e82–83% AFUE\u003c\/strong\u003e, it offers \u003cstrong data-start=\"419\" data-end=\"467\" data-is-only-node=\"\"\u003estrong energy performance for its size class\u003c\/strong\u003e, helping balance fuel costs with powerful heating output. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zaq16l\" data-start=\"567\" data-end=\"810\"\u003e\n\u003cstrong data-start=\"569\" data-end=\"608\"\u003eEngineered for long-term durability\u003c\/strong\u003e\u003cbr data-start=\"608\" data-end=\"611\"\u003eThe \u003cstrong data-start=\"617\" data-end=\"680\"\u003eTCORE2® titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e is designed to withstand demanding, high-use environments—key for industrial reliability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3qg38t\" data-start=\"812\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"814\" data-end=\"846\"\u003eHigh airflow \u0026amp; wide coverage\u003c\/strong\u003e\u003cbr data-start=\"846\" data-end=\"849\"\u003eWith airflow reaching up to \u003cstrong data-start=\"879\" data-end=\"915\"\u003e~4,400+ CFM and ~90 ft air throw\u003c\/strong\u003e, it ensures \u003cstrong data-start=\"928\" data-end=\"961\" data-is-only-node=\"\"\u003ebroad, even heat distribution\u003c\/strong\u003e across expansive spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"escex9\" data-start=\"1028\" data-end=\"1245\"\u003e\n\u003cstrong data-start=\"1030\" data-end=\"1062\"\u003eQuiet operation for its size\u003c\/strong\u003e\u003cbr data-start=\"1062\" data-end=\"1065\"\u003eDespite its output, \u003cstrong data-start=\"1087\" data-end=\"1130\"\u003evibration-isolated fan and motor design\u003c\/strong\u003e helps keep noise levels manageable—important for active work environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ofq8xo\" data-start=\"1247\" data-end=\"1461\"\u003e\n\u003cstrong data-start=\"1249\" data-end=\"1293\"\u003eSmart diagnostics \u0026amp; maintenance-friendly\u003c\/strong\u003e\u003cbr data-start=\"1293\" data-end=\"1296\"\u003eFeatures like a \u003cstrong data-start=\"1314\" data-end=\"1355\"\u003e7-segment display and LED diagnostics\u003c\/strong\u003e make troubleshooting faster, reducing downtime and service costs. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_2l_\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"104\" data-end=\"366\"\u003e\u003cstrong data-start=\"104\" data-end=\"154\"\u003eQ1: What size area can the Reznor UDX350 heat?\u003c\/strong\u003e\u003cbr data-start=\"154\" data-end=\"157\"\u003eA: With \u003cstrong data-start=\"165\" data-end=\"210\"\u003e350,000 BTU input and ~290,500 BTU output\u003c\/strong\u003e, it’s designed for \u003cstrong data-start=\"230\" data-end=\"293\"\u003elarge warehouses, factories, garages, and commercial spaces\u003c\/strong\u003e requiring high-capacity heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"368\" data-end=\"580\"\u003e\u003cstrong data-start=\"368\" data-end=\"411\"\u003eQ2: How efficient is the Reznor UDX350?\u003c\/strong\u003e\u003cbr data-start=\"411\" data-end=\"414\"\u003eA: It delivers up to \u003cstrong data-start=\"435\" data-end=\"461\"\u003e82–83% AFUE efficiency\u003c\/strong\u003e, balancing strong heat output with energy savings for commercial applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"582\" data-end=\"786\"\u003e\u003cstrong data-start=\"582\" data-end=\"631\"\u003eQ3: What fuel type does this unit heater use?\u003c\/strong\u003e\u003cbr data-start=\"631\" data-end=\"634\"\u003eA: The UDX350 runs on \u003cstrong data-start=\"656\" data-end=\"671\"\u003enatural gas\u003c\/strong\u003e and can be \u003cstrong data-start=\"683\" data-end=\"712\"\u003econverted to propane (LP)\u003c\/strong\u003e using an optional conversion kit. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"788\" data-end=\"1012\"\u003e\u003cstrong data-start=\"788\" data-end=\"838\"\u003eQ4: Is the UDX350 suitable for industrial use?\u003c\/strong\u003e\u003cbr data-start=\"838\" data-end=\"841\"\u003eA: Yes, it’s built for \u003cstrong data-start=\"864\" data-end=\"901\"\u003ecommercial and industrial heating\u003c\/strong\u003e, including workshops, distribution centers, and large open facilities. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1014\" data-end=\"1244\"\u003e\u003cstrong data-start=\"1014\" data-end=\"1059\"\u003eQ5: What makes the Reznor UDX350 durable?\u003c\/strong\u003e\u003cbr data-start=\"1059\" data-end=\"1062\"\u003eA: It features a \u003cstrong data-start=\"1079\" data-end=\"1142\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e, designed for \u003cstrong data-start=\"1157\" data-end=\"1203\"\u003ecorrosion resistance and long service life\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1246\" data-end=\"1474\"\u003e\u003cstrong data-start=\"1246\" data-end=\"1304\"\u003eQ6: How powerful is the airflow and heat distribution?\u003c\/strong\u003e\u003cbr data-start=\"1304\" data-end=\"1307\"\u003eA: The unit delivers up to \u003cstrong data-start=\"1334\" data-end=\"1390\"\u003e~4,400+ CFM airflow with an air throw around 90 feet\u003c\/strong\u003e, ensuring even heating across large spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1476\" data-end=\"1689\"\u003e\u003cstrong data-start=\"1476\" data-end=\"1516\"\u003eQ7: Does the UDX350 operate quietly?\u003c\/strong\u003e\u003cbr data-start=\"1516\" data-end=\"1519\"\u003eA: Yes, it includes a \u003cstrong data-start=\"1541\" data-end=\"1598\"\u003elow-noise axial fan and vibration-isolated components\u003c\/strong\u003e, reducing operational noise in large environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1691\" data-end=\"1933\"\u003e\u003cstrong data-start=\"1691\" data-end=\"1736\"\u003eQ8: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1736\" data-end=\"1739\"\u003eA: The heater is designed with \u003cstrong data-start=\"1770\" data-end=\"1844\"\u003eexternal gas connections, LED diagnostics, and a digital control board\u003c\/strong\u003e, making installation and troubleshooting simple. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_35_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"wbpy8\" data-start=\"81\" data-end=\"279\"\u003e\n\u003cstrong data-start=\"83\" data-end=\"117\"\u003eKeep airflow components clean:\u003c\/strong\u003e Regularly remove dust from propeller fan, louvers, and intake areas to maintain strong air throw (≈90 ft) and efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1it8eiq\" data-start=\"280\" data-end=\"482\"\u003e\n\u003cstrong data-start=\"282\" data-end=\"316\"\u003eInspect heat exchanger yearly:\u003c\/strong\u003e Check the TCORE2® aluminized steel exchanger for cracks or corrosion to ensure safe, high-output operation (≈83% efficiency). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"b0146l\" data-start=\"483\" data-end=\"664\"\u003e\n\u003cstrong data-start=\"485\" data-end=\"518\"\u003eVerify ignition \u0026amp; gas system:\u003c\/strong\u003e Test direct spark ignition, gas pressure, and connections to prevent startup failures and uneven heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"133h3ye\" data-start=\"665\" data-end=\"829\"\u003e\n\u003cstrong data-start=\"667\" data-end=\"695\"\u003eMaintain venting system:\u003c\/strong\u003e Ensure power vent and flue are unobstructed to avoid heat loss and dangerous exhaust buildup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1facndd\" data-start=\"830\" data-end=\"1008\"\u003e\n\u003cstrong data-start=\"832\" data-end=\"867\"\u003eCheck electrical \u0026amp; diagnostics:\u003c\/strong\u003e Monitor LED indicators and control board for faults; tighten wiring connections to prevent downtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13fdzqs\" data-start=\"1009\" data-end=\"1186\"\u003e\n\u003cstrong data-start=\"1011\" data-end=\"1047\"\u003eInspect fan \u0026amp; motor performance:\u003c\/strong\u003e Listen for unusual noise and ensure vibration-isolated motors run smoothly for consistent airflow.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796005055,"sku":"NUDX350","price":3830.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_984f1fad-8e46-4f16-a616-713f2eda4044.jpg?v=1775897117"},{"product_id":"reznor-udx-150000-btu-natural-gas-unit-heater","title":"Reznor UDX 150,000 BTU Natural Gas Unit Heater - NUDX150","description":"\u003ch2\u003eReznor UDX 150,000 BTU Natural Gas Unit Heater - NUDX150\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1s7skjp\" data-start=\"27\" data-end=\"311\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"73\"\u003eIdeal mid-range commercial heating power\u003c\/strong\u003e\u003cbr data-start=\"73\" data-end=\"76\"\u003eWith \u003cstrong data-start=\"83\" data-end=\"104\"\u003e150,000 BTU input\u003c\/strong\u003e, this unit is perfect for \u003cstrong data-start=\"131\" data-end=\"157\" data-is-only-node=\"\"\u003emedium to large spaces\u003c\/strong\u003e like workshops, garages, and small warehouses—delivering strong heat without the oversizing of higher BTU models. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jnooe7\" data-start=\"313\" data-end=\"568\"\u003e\n\u003cstrong data-start=\"315\" data-end=\"357\"\u003eEfficient and cost-conscious operation\u003c\/strong\u003e\u003cbr data-start=\"357\" data-end=\"360\"\u003eRated at \u003cstrong data-start=\"371\" data-end=\"384\"\u003e~83% AFUE\u003c\/strong\u003e, it offers \u003cstrong data-start=\"396\" data-end=\"435\" data-is-only-node=\"\"\u003esolid fuel efficiency for daily use\u003c\/strong\u003e, making it a smart choice for businesses looking to balance performance and operating costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"53m7an\" data-start=\"570\" data-end=\"807\"\u003e\n\u003cstrong data-start=\"572\" data-end=\"619\"\u003eProven durability in demanding environments\u003c\/strong\u003e\u003cbr data-start=\"619\" data-end=\"622\"\u003eBuilt with a \u003cstrong data-start=\"637\" data-end=\"700\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e, it’s designed for \u003cstrong data-start=\"720\" data-end=\"766\" data-is-only-node=\"\"\u003elong-term reliability under continuous use\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kwi75q\" data-start=\"809\" data-end=\"1025\"\u003e\n\u003cstrong data-start=\"811\" data-end=\"844\"\u003eConsistent airflow \u0026amp; coverage\u003c\/strong\u003e\u003cbr data-start=\"844\" data-end=\"847\"\u003eProducing around \u003cstrong data-start=\"866\" data-end=\"910\"\u003e~1,900+ CFM with up to ~70+ ft air throw\u003c\/strong\u003e, it ensures \u003cstrong data-start=\"923\" data-end=\"949\" data-is-only-node=\"\"\u003eeven heat distribution\u003c\/strong\u003e across mid-sized commercial spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17nkhjh\" data-start=\"1027\" data-end=\"1243\"\u003e\n\u003cstrong data-start=\"1029\" data-end=\"1061\"\u003eQuiet and workspace-friendly\u003c\/strong\u003e\u003cbr data-start=\"1061\" data-end=\"1064\"\u003eFeatures \u003cstrong data-start=\"1075\" data-end=\"1118\"\u003evibration-isolated fan and motor design\u003c\/strong\u003e, keeping \u003cstrong data-start=\"1128\" data-end=\"1168\" data-is-only-node=\"\"\u003enoise levels relatively low (~51 dB)\u003c\/strong\u003e—important for occupied work areas. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1bkdrpq\" data-start=\"1245\" data-end=\"1449\"\u003e\n\u003cstrong data-start=\"1247\" data-end=\"1284\"\u003eSmart diagnostics = less downtime\u003c\/strong\u003e\u003cbr data-start=\"1284\" data-end=\"1287\"\u003eIncludes \u003cstrong data-start=\"1298\" data-end=\"1347\"\u003eLED status indicators and a 7-segment display\u003c\/strong\u003e, making troubleshooting quick and maintenance more efficient. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_3b_\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"104\" data-end=\"330\"\u003e\u003cstrong data-start=\"104\" data-end=\"155\"\u003eQ1: What size space can the Reznor UDX150 heat?\u003c\/strong\u003e\u003cbr data-start=\"155\" data-end=\"158\"\u003eA: With \u003cstrong data-start=\"166\" data-end=\"211\"\u003e150,000 BTU input and ~124,500 BTU output\u003c\/strong\u003e, it’s ideal for \u003cstrong data-start=\"228\" data-end=\"289\"\u003emedium to large garages, workshops, and commercial spaces\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"332\" data-end=\"519\"\u003e\u003cstrong data-start=\"332\" data-end=\"375\"\u003eQ2: How efficient is the Reznor UDX150?\u003c\/strong\u003e\u003cbr data-start=\"375\" data-end=\"378\"\u003eA: It offers up to \u003cstrong data-start=\"397\" data-end=\"420\"\u003e83% AFUE efficiency\u003c\/strong\u003e, providing strong heating performance with energy savings. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"521\" data-end=\"713\"\u003e\u003cstrong data-start=\"521\" data-end=\"570\"\u003eQ3: What fuel type does this unit heater use?\u003c\/strong\u003e\u003cbr data-start=\"570\" data-end=\"573\"\u003eA: The UDX150 runs on \u003cstrong data-start=\"595\" data-end=\"610\"\u003enatural gas\u003c\/strong\u003e and can be \u003cstrong data-start=\"622\" data-end=\"651\"\u003econverted to propane (LP)\u003c\/strong\u003e with an optional kit. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"715\" data-end=\"939\"\u003e\u003cstrong data-start=\"715\" data-end=\"780\"\u003eQ4: Is the UDX150 suitable for commercial or residential use?\u003c\/strong\u003e\u003cbr data-start=\"780\" data-end=\"783\"\u003eA: Yes, it’s designed for \u003cstrong data-start=\"809\" data-end=\"871\"\u003ecommercial, industrial, and large residential applications\u003c\/strong\u003e like garages and workshops. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"941\" data-end=\"1167\"\u003e\u003cstrong data-start=\"941\" data-end=\"986\"\u003eQ5: What makes the Reznor UDX150 durable?\u003c\/strong\u003e\u003cbr data-start=\"986\" data-end=\"989\"\u003eA: It features a \u003cstrong data-start=\"1006\" data-end=\"1069\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e, built for long-lasting, corrosion-resistant performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1169\" data-end=\"1381\"\u003e\u003cstrong data-start=\"1169\" data-end=\"1225\"\u003eQ6: How strong is the airflow and heat distribution?\u003c\/strong\u003e\u003cbr data-start=\"1225\" data-end=\"1228\"\u003eA: The unit delivers up to \u003cstrong data-start=\"1255\" data-end=\"1308\"\u003e~1,900+ CFM airflow with an air throw of ~73 feet\u003c\/strong\u003e, ensuring even heating coverage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1383\" data-end=\"1578\"\u003e\u003cstrong data-start=\"1383\" data-end=\"1423\"\u003eQ7: Does the UDX150 operate quietly?\u003c\/strong\u003e\u003cbr data-start=\"1423\" data-end=\"1426\"\u003eA: Yes, it includes a \u003cstrong data-start=\"1448\" data-end=\"1505\"\u003elow-noise axial fan and vibration-isolated components\u003c\/strong\u003e, helping reduce operating noise. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1580\" data-end=\"1816\"\u003e\u003cstrong data-start=\"1580\" data-end=\"1625\"\u003eQ8: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1625\" data-end=\"1628\"\u003eA: The heater includes \u003cstrong data-start=\"1651\" data-end=\"1724\"\u003eexternal gas connections, LED diagnostics, and a simple control board\u003c\/strong\u003e, making installation and servicing straightforward\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1rq0qtq\" data-start=\"83\" data-end=\"281\"\u003e\n\u003cstrong data-start=\"85\" data-end=\"116\"\u003eClean fan \u0026amp; airflow system:\u003c\/strong\u003e Remove dust from the axial propeller fan and louvers to maintain strong airflow (≈1921 CFM) and efficient heat distribution. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1p4y8gv\" data-start=\"282\" data-end=\"473\"\u003e\n\u003cstrong data-start=\"284\" data-end=\"320\"\u003eInspect heat exchanger annually:\u003c\/strong\u003e Check the TCORE2® aluminized steel exchanger for cracks or corrosion to ensure safe operation and long lifespan. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xldc17\" data-start=\"474\" data-end=\"658\"\u003e\n\u003cstrong data-start=\"476\" data-end=\"510\"\u003eCheck ignition \u0026amp; gas pressure:\u003c\/strong\u003e Test the direct spark ignition system and verify gas pressure to prevent startup issues and uneven heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hzwcz8\" data-start=\"659\" data-end=\"841\"\u003e\n\u003cstrong data-start=\"661\" data-end=\"691\"\u003eKeep venting system clear:\u003c\/strong\u003e Ensure the power vent and flue (5\" outlet) are free from obstructions to avoid heat loss and exhaust hazards. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4j1kp4\" data-start=\"842\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"844\" data-end=\"878\"\u003eMonitor electrical components:\u003c\/strong\u003e Inspect wiring, LED diagnostics, and control board for faults; tighten loose connections to avoid downtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"a9i5na\" data-start=\"1027\" data-end=\"1182\"\u003e\n\u003cstrong data-start=\"1029\" data-end=\"1062\"\u003eInspect motor \u0026amp; noise levels:\u003c\/strong\u003e Check vibration-isolated fan and venter motors for smooth, low-noise operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1humm53\" data-start=\"1183\" data-end=\"1368\"\u003e\n\u003cstrong data-start=\"1185\" data-end=\"1228\"\u003eSchedule yearly professional servicing:\u003c\/strong\u003e Maintains efficiency (~83% AFUE) and ensures warranty compliance (up to 9 years on heat exchanger).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796037823,"sku":"NUDX150","price":2060.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_2c4576fd-8b44-4066-80fc-6799a8dd8967.jpg?v=1775897120"},{"product_id":"reznor-udx-100000-btu-natural-gas-unit-heater","title":"Reznor UDX 100,000 BTU Natural Gas Unit Heater - NUDX100","description":"\u003ch2\u003eReznor UDX 100,000 BTU Natural Gas Unit Heater - NUDX100\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1w8p52r\" data-start=\"27\" data-end=\"319\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"74\"\u003eVersatile heating for mid-to-large spaces\u003c\/strong\u003e\u003cbr data-start=\"74\" data-end=\"77\"\u003eWith \u003cstrong data-start=\"84\" data-end=\"106\"\u003e100,000 BTU output\u003c\/strong\u003e, this unit is ideal for \u003cstrong data-start=\"131\" data-end=\"192\" data-is-only-node=\"\"\u003elarger garages, workshops, and light commercial buildings\u003c\/strong\u003e, offering strong, consistent heat without stepping into oversized industrial capacity. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1u1cdg1\" data-start=\"321\" data-end=\"570\"\u003e\n\u003cstrong data-start=\"323\" data-end=\"362\"\u003eEfficient performance for daily use\u003c\/strong\u003e\u003cbr data-start=\"362\" data-end=\"365\"\u003eRated at \u003cstrong data-start=\"376\" data-end=\"406\"\u003e~82–83% thermal efficiency\u003c\/strong\u003e, it strikes a practical balance between \u003cstrong data-start=\"447\" data-end=\"481\" data-is-only-node=\"\"\u003efuel savings and heating power\u003c\/strong\u003e, making it cost-effective for regular operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"u4tvqh\" data-start=\"572\" data-end=\"829\"\u003e\n\u003cstrong data-start=\"574\" data-end=\"624\"\u003eBuilt for durability in demanding environments\u003c\/strong\u003e\u003cbr data-start=\"624\" data-end=\"627\"\u003eThe \u003cstrong data-start=\"633\" data-end=\"696\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e ensures long-term resistance to corrosion and wear—key for workshops or industrial settings. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"arpcbk\" data-start=\"831\" data-end=\"1058\"\u003e\n\u003cstrong data-start=\"833\" data-end=\"871\"\u003eStrong airflow \u0026amp; heat distribution\u003c\/strong\u003e\u003cbr data-start=\"871\" data-end=\"874\"\u003eEquipped with an \u003cstrong data-start=\"893\" data-end=\"929\"\u003eaxial propeller fan (~1300+ CFM)\u003c\/strong\u003e, it delivers wide air coverage and helps maintain even temperatures across larger areas. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1icejxi\" data-start=\"1060\" data-end=\"1273\"\u003e\n\u003cstrong data-start=\"1062\" data-end=\"1096\"\u003eQuiet, low-vibration operation\u003c\/strong\u003e\u003cbr data-start=\"1096\" data-end=\"1099\"\u003eDesigned with \u003cstrong data-start=\"1115\" data-end=\"1153\"\u003evibration-isolated motors and fans\u003c\/strong\u003e, it keeps noise levels relatively low (~54 dB), suitable for active workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tzzmdy\" data-start=\"1275\" data-end=\"1523\"\u003e\n\u003cstrong data-start=\"1277\" data-end=\"1322\"\u003eInstaller-friendly \u0026amp; service-ready design\u003c\/strong\u003e\u003cbr data-start=\"1322\" data-end=\"1325\"\u003eFeatures like \u003cstrong data-start=\"1341\" data-end=\"1408\"\u003eLED diagnostics, fault-code display, and external wiring access\u003c\/strong\u003e simplify installation and maintenance—reducing downtime and service costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nc1w1v\" data-start=\"1525\" data-end=\"1734\"\u003e\n\u003cstrong data-start=\"1527\" data-end=\"1560\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1560\" data-end=\"1563\"\u003eSupports \u003cstrong data-start=\"1574\" data-end=\"1625\"\u003epower venting and optional separated combustion\u003c\/strong\u003e, making it adaptable for \u003cstrong data-start=\"1651\" data-end=\"1693\" data-is-only-node=\"\"\u003edusty, tight, or complex installations\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"101\" data-end=\"340\"\u003e\u003cstrong data-start=\"101\" data-end=\"158\"\u003eQ: What is the heating capacity of the Reznor UDX100?\u003c\/strong\u003e\u003cbr data-start=\"158\" data-end=\"161\"\u003eA: It delivers \u003cstrong data-start=\"176\" data-end=\"226\"\u003e100,000–105,000 BTU input (~87,000 BTU output)\u003c\/strong\u003e, ideal for \u003cstrong data-start=\"238\" data-end=\"299\"\u003emedium to large garages, workshops, and commercial spaces\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"342\" data-end=\"538\"\u003e\u003cstrong data-start=\"342\" data-end=\"400\"\u003eQ: What efficiency rating does this unit heater offer?\u003c\/strong\u003e\u003cbr data-start=\"400\" data-end=\"403\"\u003eA: The UDX100 operates at \u003cstrong data-start=\"429\" data-end=\"468\"\u003eup to 83% thermal efficiency (AFUE)\u003c\/strong\u003e, helping reduce energy costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"540\" data-end=\"720\"\u003e\u003cstrong data-start=\"540\" data-end=\"583\"\u003eQ: What fuel type does the NUDX100 use?\u003c\/strong\u003e\u003cbr data-start=\"583\" data-end=\"586\"\u003eA: It runs on \u003cstrong data-start=\"600\" data-end=\"615\"\u003enatural gas\u003c\/strong\u003e and can be converted to propane with an optional conversion kit. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"722\" data-end=\"903\"\u003e\u003cstrong data-start=\"722\" data-end=\"763\"\u003eQ: Is the Reznor UDX100 power vented?\u003c\/strong\u003e\u003cbr data-start=\"763\" data-end=\"766\"\u003eA: Yes, it features \u003cstrong data-start=\"786\" data-end=\"803\"\u003epower venting\u003c\/strong\u003e, which minimizes heat loss and improves overall efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"905\" data-end=\"1124\"\u003e\u003cstrong data-start=\"905\" data-end=\"950\"\u003eQ: What makes the heat exchanger durable?\u003c\/strong\u003e\u003cbr data-start=\"950\" data-end=\"953\"\u003eA: It includes a \u003cstrong data-start=\"970\" data-end=\"1033\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long-lasting, corrosion-resistant performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1126\" data-end=\"1319\"\u003e\u003cstrong data-start=\"1126\" data-end=\"1169\"\u003eQ: How efficient is the airflow system?\u003c\/strong\u003e\u003cbr data-start=\"1169\" data-end=\"1172\"\u003eA: It uses an \u003cstrong data-start=\"1186\" data-end=\"1230\"\u003eaxial propeller fan delivering ~1345 CFM\u003c\/strong\u003e, ensuring consistent and even heat distribution. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1321\" data-end=\"1547\"\u003e\u003cstrong data-start=\"1321\" data-end=\"1365\"\u003eQ: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1365\" data-end=\"1368\"\u003eA: Yes, it features \u003cstrong data-start=\"1388\" data-end=\"1464\"\u003eexternal wiring access, LED diagnostics, and multiple suspension options\u003c\/strong\u003e for simplified installation and servicing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1549\" data-end=\"1767\"\u003e\u003cstrong data-start=\"1549\" data-end=\"1598\"\u003eQ: What applications is this heater best for?\u003c\/strong\u003e\u003cbr data-start=\"1598\" data-end=\"1601\"\u003eA: Ideal for \u003cstrong data-start=\"1614\" data-end=\"1683\"\u003egarages, warehouses, workshops, and light industrial environments\u003c\/strong\u003e needing reliable, high-performance heating. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_4m_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1d95b0q\" data-start=\"81\" data-end=\"257\"\u003e\n\u003cstrong data-start=\"83\" data-end=\"117\"\u003eClean heat exchanger annually:\u003c\/strong\u003e Maintain the TCORE2® aluminized steel exchanger to prevent carbon buildup and keep ~83% efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"to0qzh\" data-start=\"258\" data-end=\"410\"\u003e\n\u003cstrong data-start=\"260\" data-end=\"297\"\u003eInspect burner \u0026amp; ignition system:\u003c\/strong\u003e Check direct spark ignition and flame sensor for safe, reliable startup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"oetdpb\" data-start=\"411\" data-end=\"565\"\u003e\n\u003cstrong data-start=\"413\" data-end=\"441\"\u003eEnsure venting is clear:\u003c\/strong\u003e Power-vented system must remain unobstructed to avoid heat loss and exhaust issues. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cu01ko\" data-start=\"566\" data-end=\"722\"\u003e\n\u003cstrong data-start=\"568\" data-end=\"592\"\u003eCheck fan \u0026amp; airflow:\u003c\/strong\u003e Clean axial propeller fan and confirm proper airflow (~1300+ CFM) to prevent overheating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bblmva\" data-start=\"723\" data-end=\"881\"\u003e\n\u003cstrong data-start=\"725\" data-end=\"752\"\u003eInspect motor \u0026amp; wiring:\u003c\/strong\u003e Verify 115V electrical connections and sealed control compartment components are secure. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fk2e2d\" data-start=\"882\" data-end=\"1037\"\u003e\n\u003cstrong data-start=\"884\" data-end=\"912\"\u003eMonitor LED diagnostics:\u003c\/strong\u003e Use onboard fault code display for quick troubleshooting and preventive maintenance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jz17vn\" data-start=\"1038\" data-end=\"1142\"\u003e\n\u003cstrong data-start=\"1040\" data-end=\"1064\"\u003eKeep unit dust-free:\u003c\/strong\u003e Essential for garages\/workshops to maintain airflow and combustion quality.\u003c\/li\u003e\n\u003cli data-section-id=\"1rpxp23\" data-start=\"1143\" data-end=\"1253\"\u003e\n\u003cstrong data-start=\"1145\" data-end=\"1186\"\u003eSchedule annual professional service:\u003c\/strong\u003e Extends lifespan and ensures safe commercial\/industrial operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796070591,"sku":"NUDX100","price":2076.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_e749272f-5010-4e69-93bf-4a3554355986.jpg?v=1775897123"},{"product_id":"reznor-udx-225000-btu-propane-unit-heater","title":"Reznor UDX 225,000 BTU Propane Unit Heater - NUDX225,N1036540R","description":"\u003ch2\u003eReznor UDX 225,000 BTU Propane Unit Heater - NUDX225,N1036540R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1imsc2v\" data-start=\"27\" data-end=\"309\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eStrong, versatile heating performance\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eWith \u003cstrong data-start=\"80\" data-end=\"101\"\u003e225,000 BTU input\u003c\/strong\u003e, this unit hits the \u003cstrong data-start=\"122\" data-end=\"174\" data-is-only-node=\"\"\u003esweet spot for medium-to-large commercial spaces\u003c\/strong\u003e—powerful enough for warehouses and workshops without the excess of oversized industrial units. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1p51ci8\" data-start=\"311\" data-end=\"590\"\u003e\n\u003cstrong data-start=\"313\" data-end=\"362\"\u003ePropane flexibility for off-grid or rural use\u003c\/strong\u003e\u003cbr data-start=\"362\" data-end=\"365\"\u003eDesigned for \u003cstrong data-start=\"380\" data-end=\"403\"\u003eliquid propane (LP)\u003c\/strong\u003e operation (via included conversion kit), it’s ideal where natural gas isn’t available—offering \u003cstrong data-start=\"499\" data-end=\"549\" data-is-only-node=\"\"\u003einstallation flexibility across more locations\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dszswq\" data-start=\"592\" data-end=\"826\"\u003e\n\u003cstrong data-start=\"594\" data-end=\"637\"\u003eReliable efficiency for daily operation\u003c\/strong\u003e\u003cbr data-start=\"637\" data-end=\"640\"\u003eOperating at around \u003cstrong data-start=\"662\" data-end=\"677\"\u003e82–83% AFUE\u003c\/strong\u003e, it delivers \u003cstrong data-start=\"691\" data-end=\"743\" data-is-only-node=\"\"\u003econsistent heat with reasonable fuel consumption\u003c\/strong\u003e, making it a practical long-term solution. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ph2bag\" data-start=\"828\" data-end=\"1059\"\u003e\n\u003cstrong data-start=\"830\" data-end=\"863\"\u003eDurable heat exchanger design\u003c\/strong\u003e\u003cbr data-start=\"863\" data-end=\"866\"\u003eThe \u003cstrong data-start=\"872\" data-end=\"935\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e ensures \u003cstrong data-start=\"944\" data-end=\"991\" data-is-only-node=\"\"\u003elong service life in demanding environments\u003c\/strong\u003e, reducing replacement risk. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4lnhm5\" data-start=\"1061\" data-end=\"1265\"\u003e\n\u003cstrong data-start=\"1063\" data-end=\"1094\"\u003eBalanced airflow \u0026amp; coverage\u003c\/strong\u003e\u003cbr data-start=\"1094\" data-end=\"1097\"\u003eProducing roughly \u003cstrong data-start=\"1117\" data-end=\"1160\"\u003e~2,200+ CFM with up to ~90 ft air throw\u003c\/strong\u003e, it provides \u003cstrong data-start=\"1174\" data-end=\"1224\" data-is-only-node=\"\"\u003eeven heat distribution across wide floor areas\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17nzdlf\" data-start=\"1267\" data-end=\"1477\"\u003e\n\u003cstrong data-start=\"1269\" data-end=\"1308\"\u003eQuiet, workspace-friendly operation\u003c\/strong\u003e\u003cbr data-start=\"1308\" data-end=\"1311\"\u003eBuilt with \u003cstrong data-start=\"1324\" data-end=\"1353\"\u003evibration-isolated motors\u003c\/strong\u003e, it keeps noise levels around \u003cstrong data-start=\"1384\" data-end=\"1394\" data-is-only-node=\"\"\u003e~52 dB\u003c\/strong\u003e, which is low for a unit of this capacity. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cogv55\" data-start=\"1479\" data-end=\"1694\"\u003e\n\u003cstrong data-start=\"1481\" data-end=\"1516\"\u003eSmart controls \u0026amp; easy servicing\u003c\/strong\u003e\u003cbr data-start=\"1516\" data-end=\"1519\"\u003eFeatures like a \u003cstrong data-start=\"1537\" data-end=\"1578\"\u003e7-segment display and LED diagnostics\u003c\/strong\u003e make troubleshooting faster, helping reduce downtime and maintenance costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xrgb1q\" data-start=\"1696\" data-end=\"1928\"\u003e\n\u003cstrong data-start=\"1698\" data-end=\"1741\"\u003eInstaller-friendly, power-vented design\u003c\/strong\u003e\u003cbr data-start=\"1741\" data-end=\"1744\"\u003ePower venting minimizes heat loss and allows \u003cstrong data-start=\"1791\" data-end=\"1819\"\u003eflexible venting options\u003c\/strong\u003e, while external gas connections simplify installation and servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"99\" data-end=\"355\"\u003e\u003cstrong data-start=\"99\" data-end=\"165\"\u003eQ1: What size space can the Reznor UDX225 propane heater heat?\u003c\/strong\u003e\u003cbr data-start=\"165\" data-end=\"168\"\u003eA: With \u003cstrong data-start=\"176\" data-end=\"197\"\u003e225,000 BTU input\u003c\/strong\u003e, it’s ideal for \u003cstrong data-start=\"214\" data-end=\"277\"\u003elarge garages, warehouses, workshops, and commercial spaces\u003c\/strong\u003e needing powerful, consistent heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"357\" data-end=\"546\"\u003e\u003cstrong data-start=\"357\" data-end=\"400\"\u003eQ2: How efficient is the Reznor UDX225?\u003c\/strong\u003e\u003cbr data-start=\"400\" data-end=\"403\"\u003eA: It delivers up to \u003cstrong data-start=\"424\" data-end=\"450\"\u003e82–83% AFUE efficiency\u003c\/strong\u003e, ensuring strong heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"548\" data-end=\"763\"\u003e\u003cstrong data-start=\"548\" data-end=\"591\"\u003eQ3: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"591\" data-end=\"594\"\u003eA: This unit operates on \u003cstrong data-start=\"619\" data-end=\"642\"\u003eliquid propane (LP)\u003c\/strong\u003e and includes a \u003cstrong data-start=\"658\" data-end=\"705\"\u003efactory-approved conversion kit (N1036540R)\u003c\/strong\u003e for proper setup. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"765\" data-end=\"996\"\u003e\u003cstrong data-start=\"765\" data-end=\"824\"\u003eQ4: Is the UDX225 suitable for commercial applications?\u003c\/strong\u003e\u003cbr data-start=\"824\" data-end=\"827\"\u003eA: Yes, it’s designed for \u003cstrong data-start=\"853\" data-end=\"890\"\u003ecommercial and industrial heating\u003c\/strong\u003e, including shops, distribution centers, and large enclosed areas. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"998\" data-end=\"1228\"\u003e\u003cstrong data-start=\"998\" data-end=\"1043\"\u003eQ5: What makes the Reznor UDX225 durable?\u003c\/strong\u003e\u003cbr data-start=\"1043\" data-end=\"1046\"\u003eA: It features a \u003cstrong data-start=\"1063\" data-end=\"1126\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e, built for \u003cstrong data-start=\"1138\" data-end=\"1187\"\u003elong-term durability and corrosion resistance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1230\" data-end=\"1458\"\u003e\u003cstrong data-start=\"1230\" data-end=\"1285\"\u003eQ6: How effective is airflow and heat distribution?\u003c\/strong\u003e\u003cbr data-start=\"1285\" data-end=\"1288\"\u003eA: The unit provides up to \u003cstrong data-start=\"1315\" data-end=\"1368\"\u003e~2,200+ CFM airflow with an air throw of ~90 feet\u003c\/strong\u003e, ensuring even heat coverage across large spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1460\" data-end=\"1653\"\u003e\u003cstrong data-start=\"1460\" data-end=\"1498\"\u003eQ7: Does the unit operate quietly?\u003c\/strong\u003e\u003cbr data-start=\"1498\" data-end=\"1501\"\u003eA: Yes, it includes a \u003cstrong data-start=\"1523\" data-end=\"1577\"\u003elow-noise axial fan with vibration-isolated motors\u003c\/strong\u003e, reducing operational sound levels. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1655\" data-end=\"1881\"\u003e\u003cstrong data-start=\"1655\" data-end=\"1700\"\u003eQ8: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1700\" data-end=\"1703\"\u003eA: The heater features \u003cstrong data-start=\"1726\" data-end=\"1800\"\u003eexternal gas connections, LED diagnostics, and a digital control board\u003c\/strong\u003e, simplifying installation and servicing. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_59_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1r91bhp\" data-start=\"91\" data-end=\"288\"\u003e\n\u003cstrong data-start=\"93\" data-end=\"128\"\u003eClean fan \u0026amp; airflow components:\u003c\/strong\u003e Remove dust from the axial propeller fan and louvers to maintain strong airflow (~2242 CFM) and even heat distribution. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6awg2j\" data-start=\"289\" data-end=\"488\"\u003e\n\u003cstrong data-start=\"291\" data-end=\"327\"\u003eInspect heat exchanger annually:\u003c\/strong\u003e Check the TCORE2® aluminized steel exchanger for cracks or corrosion to ensure safe combustion and long-term durability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9zumyr\" data-start=\"489\" data-end=\"677\"\u003e\n\u003cstrong data-start=\"491\" data-end=\"527\"\u003eCheck ignition \u0026amp; propane system:\u003c\/strong\u003e Test the direct spark ignition and verify propane pressure\/connections to avoid misfires and efficiency loss. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ksdbr0\" data-start=\"678\" data-end=\"860\"\u003e\n\u003cstrong data-start=\"680\" data-end=\"710\"\u003eKeep venting system clear:\u003c\/strong\u003e Ensure the power vent and 5\" flue outlet are unobstructed to prevent exhaust buildup and maintain efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1dmwgtz\" data-start=\"861\" data-end=\"1046\"\u003e\n\u003cstrong data-start=\"863\" data-end=\"897\"\u003eMonitor electrical components:\u003c\/strong\u003e Inspect wiring, LED diagnostics, and control board; tighten loose connections to prevent operational faults. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6ai7ls\" data-start=\"1047\" data-end=\"1218\"\u003e\n\u003cstrong data-start=\"1049\" data-end=\"1085\"\u003eInspect fan \u0026amp; motor performance:\u003c\/strong\u003e Ensure vibration-isolated motors run smoothly and quietly (≈52 dB) to reduce wear and noise. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2vri1c\" data-start=\"1219\" data-end=\"1415\"\u003e\n\u003cstrong data-start=\"1221\" data-end=\"1273\"\u003eCheck gas conversion components (if applicable):\u003c\/strong\u003e Ensure LP conversion kit (N1036540R) is properly installed and calibrated for safe propane operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796103359,"sku":"NUDX225,N1036540R","price":2682.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_074272fd-1989-408a-a9df-7c890138cc99.jpg?v=1775897126"},{"product_id":"reznor-udx-150000-btu-propane-unit-heater","title":"Reznor UDX 150,000 BTU Propane Unit Heater - NUDX150,N1036539R","description":"\u003ch2\u003eReznor UDX 150,000 BTU Propane Unit Heater - NUDX150,N1036539R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"rmsfs1\" data-start=\"27\" data-end=\"280\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"71\"\u003eStrong, commercial‑grade heating power\u003c\/strong\u003e\u003cbr data-start=\"71\" data-end=\"74\"\u003eWith \u003cstrong data-start=\"81\" data-end=\"103\"\u003e150,000 BTU output\u003c\/strong\u003e, this propane unit is engineered to heat \u003cstrong data-start=\"145\" data-end=\"214\" data-is-only-node=\"\"\u003elarge garages, workshops, warehouses, and light industrial spaces\u003c\/strong\u003e efficiently and reliably. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1p8u404\" data-start=\"282\" data-end=\"510\"\u003e\n\u003cstrong data-start=\"284\" data-end=\"326\"\u003eEfficient and cost‑effective operation\u003c\/strong\u003e\u003cbr data-start=\"326\" data-end=\"329\"\u003eRated at \u003cstrong data-start=\"340\" data-end=\"354\"\u003e~83 % AFUE\u003c\/strong\u003e, it delivers excellent thermal efficiency for its class—maximizing heat output while minimizing propane fuel usage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3a8s6n\" data-start=\"512\" data-end=\"786\"\u003e\n\u003cstrong data-start=\"514\" data-end=\"560\"\u003eDurable construction for long service life\u003c\/strong\u003e\u003cbr data-start=\"560\" data-end=\"563\"\u003eFeatures a \u003cstrong data-start=\"576\" data-end=\"639\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e that resists corrosion and wear, helping ensure years of dependable performance in demanding environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vljwj2\" data-start=\"788\" data-end=\"1071\"\u003e\n\u003cstrong data-start=\"790\" data-end=\"821\"\u003eLow‑noise, balanced airflow\u003c\/strong\u003e\u003cbr data-start=\"821\" data-end=\"824\"\u003eThe \u003cstrong data-start=\"830\" data-end=\"884\"\u003eaxial propeller fan with vibration‑isolated motors\u003c\/strong\u003e provides wide area heat distribution (up to ~73 ft throw) with relatively low noise (~51 dB), ideal for workspaces where comfort and quiet matter. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lq3876\" data-start=\"1073\" data-end=\"1298\"\u003e\n\u003cstrong data-start=\"1075\" data-end=\"1107\"\u003eService‑friendly diagnostics\u003c\/strong\u003e\u003cbr data-start=\"1107\" data-end=\"1110\"\u003eBuilt‑in \u003cstrong data-start=\"1121\" data-end=\"1161\"\u003e7‑segment display and diagnostic LED\u003c\/strong\u003e make troubleshooting and maintenance quicker and easier—saving labor time and reducing downtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13k49lp\" data-start=\"1300\" data-end=\"1533\"\u003e\n\u003cstrong data-start=\"1302\" data-end=\"1335\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1335\" data-end=\"1338\"\u003ePower‑vented design and multiple hanging points allow adaptable \u003cstrong data-start=\"1404\" data-end=\"1432\"\u003eceiling or wall mounting\u003c\/strong\u003e, and external gas connections simplify installation choices. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"108\" data-end=\"354\"\u003e\u003cstrong data-start=\"108\" data-end=\"165\"\u003eQ: What is the heating capacity of the Reznor UDX150?\u003c\/strong\u003e\u003cbr data-start=\"165\" data-end=\"168\"\u003eA: It delivers \u003cstrong data-start=\"183\" data-end=\"226\"\u003e150,000 BTU input (~124,500 BTU output)\u003c\/strong\u003e of powerful heat, suitable for \u003cstrong data-start=\"258\" data-end=\"315\"\u003egarages, workshops, warehouses, and commercial spaces\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"356\" data-end=\"559\"\u003e\u003cstrong data-start=\"356\" data-end=\"399\"\u003eQ: What fuel type does the NUDX150 use?\u003c\/strong\u003e\u003cbr data-start=\"399\" data-end=\"402\"\u003eA: Designed for \u003cstrong data-start=\"418\" data-end=\"444\"\u003epropane (LP) operation\u003c\/strong\u003e; many sellers include the propane\/LP conversion option with model N1036539R. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"561\" data-end=\"748\"\u003e\u003cstrong data-start=\"561\" data-end=\"602\"\u003eQ: How efficient is this unit heater?\u003c\/strong\u003e\u003cbr data-start=\"602\" data-end=\"605\"\u003eA: It achieves \u003cstrong data-start=\"620\" data-end=\"658\"\u003eabout 83 % AFUE thermal efficiency\u003c\/strong\u003e, helping maximize heat while minimizing fuel waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"750\" data-end=\"945\"\u003e\u003cstrong data-start=\"750\" data-end=\"793\"\u003eQ: What heat exchanger does it feature?\u003c\/strong\u003e\u003cbr data-start=\"793\" data-end=\"796\"\u003eA: Includes a \u003cstrong data-start=\"810\" data-end=\"873\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for durability and extended life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"947\" data-end=\"1131\"\u003e\u003cstrong data-start=\"947\" data-end=\"995\"\u003eQ: What type of ventilation does it require?\u003c\/strong\u003e\u003cbr data-start=\"995\" data-end=\"998\"\u003eA: It’s \u003cstrong data-start=\"1006\" data-end=\"1022\"\u003epower‑vented\u003c\/strong\u003e, which reduces heat loss up the flue and improves overall performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1133\" data-end=\"1305\"\u003e\u003cstrong data-start=\"1133\" data-end=\"1167\"\u003eQ: How quiet is the operation?\u003c\/strong\u003e\u003cbr data-start=\"1167\" data-end=\"1170\"\u003eA: Equipped with \u003cstrong data-start=\"1187\" data-end=\"1231\"\u003evibration‑isolated fan and venter motors\u003c\/strong\u003e for \u003cstrong data-start=\"1236\" data-end=\"1249\"\u003elow noise\u003c\/strong\u003e during operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1307\" data-end=\"1546\"\u003e\u003cstrong data-start=\"1307\" data-end=\"1362\"\u003eQ: Is installation and maintenance straightforward?\u003c\/strong\u003e\u003cbr data-start=\"1362\" data-end=\"1365\"\u003eA: Yes — it has \u003cstrong data-start=\"1381\" data-end=\"1408\"\u003eLED fault codes\/display\u003c\/strong\u003e, \u003cstrong data-start=\"1410\" data-end=\"1437\"\u003eexternal gas connection\u003c\/strong\u003e, and flexible suspension options to simplify installation and service. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1548\" data-end=\"1741\"\u003e\u003cstrong data-start=\"1548\" data-end=\"1597\"\u003eQ: What applications is this heater best for?\u003c\/strong\u003e\u003cbr data-start=\"1597\" data-end=\"1600\"\u003eA: A strong choice for \u003cstrong data-start=\"1623\" data-end=\"1696\"\u003ecommercial, industrial, and large residential workshop\/garage heating\u003c\/strong\u003e needs.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"hqaike\" data-start=\"88\" data-end=\"295\"\u003e\n\u003cstrong data-start=\"90\" data-end=\"122\"\u003eAnnual heat exchanger check:\u003c\/strong\u003e Inspect the TCORE2® aluminized steel heat exchanger for soot, cracks, or corrosion — crucial for efficiency (~83 % AFUE) and safety. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cjbvof\" data-start=\"296\" data-end=\"500\"\u003e\n\u003cstrong data-start=\"298\" data-end=\"337\"\u003eClean burner \u0026amp; ignition components:\u003c\/strong\u003e Remove dust\/debris from burner tubes; clean ignitor and flame sensor to ensure reliable ignition and proper flame quality. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7rd15d\" data-start=\"501\" data-end=\"697\"\u003e\n\u003cstrong data-start=\"503\" data-end=\"544\"\u003eClear venting \u0026amp; combustion air paths:\u003c\/strong\u003e Ensure power‑vent flue and intake are free of obstructions to avoid backdrafting and maintain proper combustion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zbhg1s\" data-start=\"698\" data-end=\"896\"\u003e\n\u003cstrong data-start=\"700\" data-end=\"729\"\u003eFan, blower \u0026amp; motor care:\u003c\/strong\u003e Clean fan blades, guard, and motor housing; check for imbalance or noise — good airflow prevents overheating and inefficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lgcvti\" data-start=\"897\" data-end=\"1076\"\u003e\n\u003cstrong data-start=\"899\" data-end=\"938\"\u003eCheck electrical \u0026amp; gas connections:\u003c\/strong\u003e Tighten wiring, verify 115 V power integrity, and confirm propane supply and fittings are secure. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"141q0d9\" data-start=\"1077\" data-end=\"1229\"\u003e\n\u003cstrong data-start=\"1079\" data-end=\"1107\"\u003eMonitor LED\/diagnostics:\u003c\/strong\u003e Use status LEDs or fault codes to catch issues early before they become failures. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ibawi1\" data-start=\"1230\" data-end=\"1353\"\u003e\n\u003cstrong data-start=\"1232\" data-end=\"1261\"\u003eKeep unit exterior clean:\u003c\/strong\u003e Dust and debris around the heater reduce airflow and increase wear — wipe down regularly.\u003c\/li\u003e\n\u003cli data-section-id=\"9ujou4\" data-start=\"1354\" data-end=\"1514\"\u003e\n\u003cstrong data-start=\"1356\" data-end=\"1388\"\u003eProfessional annual service:\u003c\/strong\u003e A qualified HVAC tech should inspect valves, pressure switch, controls, and perform combustion analysis for peak performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796136127,"sku":"NUDX150,N1036539R","price":2060.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_8aa4cab9-7755-4a00-b627-479e854f2e43.jpg?v=1775897128"},{"product_id":"reznor-udx-200000-btu-propane-unit-heater","title":"Reznor UDX 200,000 BTU Propane Unit Heater - NUDX200,N1036540R","description":"\u003ch2\u003eReznor UDX 200,000 BTU Propane Unit Heater - NUDX200,N1036540R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"16zp56s\" data-start=\"27\" data-end=\"324\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"60\"\u003eBalanced mid‑capacity power\u003c\/strong\u003e\u003cbr data-start=\"60\" data-end=\"63\"\u003eWith \u003cstrong data-start=\"70\" data-end=\"91\"\u003e200,000 BTU input\u003c\/strong\u003e, this heater delivers \u003cstrong data-start=\"114\" data-end=\"188\" data-is-only-node=\"\"\u003estrong performance for medium‑to‑large commercial and industrial areas\u003c\/strong\u003e like warehouses, workshops, and service bays—without over‑sizing for typical space heating needs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"s1oivr\" data-start=\"326\" data-end=\"574\"\u003e\n\u003cstrong data-start=\"328\" data-end=\"359\"\u003eEfficient propane operation\u003c\/strong\u003e\u003cbr data-start=\"359\" data-end=\"362\"\u003eBuilt for \u003cstrong data-start=\"374\" data-end=\"390\"\u003epropane fuel\u003c\/strong\u003e, it achieves around \u003cstrong data-start=\"411\" data-end=\"424\" data-is-only-node=\"\"\u003e83 % AFUE\u003c\/strong\u003e, giving \u003cstrong data-start=\"433\" data-end=\"473\"\u003egood fuel efficiency and heat output\u003c\/strong\u003e in off‑grid or rural setups where natural gas isn’t available. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1oz48a7\" data-start=\"576\" data-end=\"810\"\u003e\n\u003cstrong data-start=\"578\" data-end=\"610\"\u003eDurable, long‑lasting design\u003c\/strong\u003e\u003cbr data-start=\"610\" data-end=\"613\"\u003eThe \u003cstrong data-start=\"619\" data-end=\"682\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e resists corrosion and wear, ensuring \u003cstrong data-start=\"720\" data-end=\"745\" data-is-only-node=\"\"\u003ereliable service life\u003c\/strong\u003e in demanding environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"smokxn\" data-start=\"812\" data-end=\"1040\"\u003e\n\u003cstrong data-start=\"814\" data-end=\"863\"\u003eSmart diagnostics \u0026amp; service‑friendly features\u003c\/strong\u003e\u003cbr data-start=\"863\" data-end=\"866\"\u003eIntegrated \u003cstrong data-start=\"879\" data-end=\"904\"\u003eLED status indicators\u003c\/strong\u003e and a \u003cstrong data-start=\"911\" data-end=\"938\" data-is-only-node=\"\"\u003e7‑segment fault display\u003c\/strong\u003e make troubleshooting fast, lowering maintenance time and costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gujbih\" data-start=\"1042\" data-end=\"1261\"\u003e\n\u003cstrong data-start=\"1044\" data-end=\"1072\"\u003eQuiet, efficient airflow\u003c\/strong\u003e\u003cbr data-start=\"1072\" data-end=\"1075\"\u003eAn \u003cstrong data-start=\"1080\" data-end=\"1133\"\u003eaxial propeller fan with vibration‑isolated motor\u003c\/strong\u003e helps maintain \u003cstrong data-start=\"1149\" data-end=\"1172\" data-is-only-node=\"\"\u003elow operating noise\u003c\/strong\u003e and strong circulation for even heat distribution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"104\" data-end=\"416\"\u003e\u003cstrong data-start=\"104\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX200 suited for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"223\"\u003e200,000 BTU input and approx. 166,000 BTU output\u003c\/strong\u003e, this propane unit heater is great for \u003cstrong data-start=\"263\" data-end=\"340\"\u003elarge garages, workshops, warehouses, and commercial\/industrial buildings\u003c\/strong\u003e needing strong, consistent heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"418\" data-end=\"607\"\u003e\u003cstrong data-start=\"418\" data-end=\"456\"\u003eQ2: What fuel does this model use?\u003c\/strong\u003e\u003cbr data-start=\"456\" data-end=\"459\"\u003eA: The UDX200 runs on \u003cstrong data-start=\"481\" data-end=\"504\"\u003eliquid propane (LP)\u003c\/strong\u003e with a factory‑approved propane configuration (SKU N1036540R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"609\" data-end=\"794\"\u003e\u003cstrong data-start=\"609\" data-end=\"652\"\u003eQ3: How efficient is the UDX200 heater?\u003c\/strong\u003e\u003cbr data-start=\"652\" data-end=\"655\"\u003eA: It offers \u003cstrong data-start=\"668\" data-end=\"699\"\u003eup to ~83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat delivery while reducing energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"796\" data-end=\"1122\"\u003e\u003cstrong data-start=\"796\" data-end=\"851\"\u003eQ4: What are its key durability and build features?\u003c\/strong\u003e\u003cbr data-start=\"851\" data-end=\"854\"\u003eA: Features include a \u003cstrong data-start=\"876\" data-end=\"939\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e, \u003cstrong data-start=\"941\" data-end=\"984\"\u003edirect spark ignition with time lockout\u003c\/strong\u003e, and \u003cstrong data-start=\"990\" data-end=\"1045\"\u003elow‑noise, vibration‑isolated fan and venter motors\u003c\/strong\u003e for long life and quieter operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1124\" data-end=\"1343\"\u003e\u003cstrong data-start=\"1124\" data-end=\"1172\"\u003eQ5: How’s the airflow and heat distribution?\u003c\/strong\u003e\u003cbr data-start=\"1172\" data-end=\"1175\"\u003eA: Designed with an \u003cstrong data-start=\"1195\" data-end=\"1241\"\u003eaxial propeller fan and ~2,562 CFM airflow\u003c\/strong\u003e, it delivers strong heat circulation throughout large spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1345\" data-end=\"1559\"\u003e\u003cstrong data-start=\"1345\" data-end=\"1394\"\u003eQ6: Is installation and troubleshooting easy?\u003c\/strong\u003e\u003cbr data-start=\"1394\" data-end=\"1397\"\u003eA: Yes — it includes \u003cstrong data-start=\"1418\" data-end=\"1477\"\u003eexternal status LEDs and a 7‑segment diagnostic display\u003c\/strong\u003e for quick service checks and maintenance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1561\" data-end=\"1781\"\u003e\u003cstrong data-start=\"1561\" data-end=\"1612\"\u003eQ7: What are the electrical and mounting specs?\u003c\/strong\u003e\u003cbr data-start=\"1612\" data-end=\"1615\"\u003eA: Runs on \u003cstrong data-start=\"1626\" data-end=\"1654\"\u003e115 V single‑phase power\u003c\/strong\u003e, and supports \u003cstrong data-start=\"1669\" data-end=\"1714\"\u003e2‑ or 4‑point ceiling suspension mounting\u003c\/strong\u003e (common for unit heaters).\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"q0h9mv\" data-start=\"91\" data-end=\"401\"\u003e\n\u003cstrong data-start=\"93\" data-end=\"128\"\u003eClean fan \u0026amp; airflow components:\u003c\/strong\u003e Dust the axial propeller fan, louvers, and intake areas regularly to maintain strong airflow (~2000 CFM) and consistent heat distribution. \u003c\/li\u003e\n\u003cli data-section-id=\"qhg3ai\" data-start=\"402\" data-end=\"695\"\u003e\n\u003cstrong data-start=\"404\" data-end=\"440\"\u003eInspect heat exchanger annually:\u003c\/strong\u003e Check the TCOREO aluminized steel exchanger for cracks or corrosion to ensure safe combustion and long-term durability. \u003c\/li\u003e\n\u003cli data-section-id=\"o3ggvo\" data-start=\"696\" data-end=\"982\"\u003e\n\u003cstrong data-start=\"698\" data-end=\"734\"\u003eCheck ignition \u0026amp; propane system:\u003c\/strong\u003e Test the direct spark ignition and verify propane pressure and connections to prevent misfires or uneven heating. \u003c\/li\u003e\n\u003cli data-section-id=\"4677t8\" data-start=\"983\" data-end=\"1252\"\u003e\n\u003cstrong data-start=\"985\" data-end=\"1015\"\u003eKeep venting system clear:\u003c\/strong\u003e Ensure the power vent and flue outlet are free of obstructions to avoid heat loss and exhaust hazards\u003c\/li\u003e\n\u003cli data-section-id=\"qa6wx7\" data-start=\"1253\" data-end=\"1537\"\u003e\n\u003cstrong data-start=\"1255\" data-end=\"1289\"\u003eMonitor electrical components:\u003c\/strong\u003e Inspect wiring, control board, and LED diagnostics; tighten any loose connections to maintain reliable operation. \u003c\/li\u003e\n\u003cli data-section-id=\"8pqpnv\" data-start=\"1538\" data-end=\"1801\"\u003e\n\u003cstrong data-start=\"1540\" data-end=\"1576\"\u003eInspect fan \u0026amp; motor performance:\u003c\/strong\u003e Check vibration-isolated motors for smooth, low-noise operation (~52 dB) and prevent wear. \u003c\/li\u003e\n\u003cli data-section-id=\"1sgg4ur\" data-start=\"1802\" data-end=\"2055\"\u003e\n\u003cstrong data-start=\"1804\" data-end=\"1850\"\u003eVerify propane conversion kit (N1036540R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796168895,"sku":"NUDX200,N1036540R","price":2419.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_477cb616-7906-40f5-8a1f-bda450f10e90.jpg?v=1775897131"},{"product_id":"reznor-udx-250000-btu-propane-unit-heater","title":"Reznor UDX 250,000 BTU Propane Unit Heater - NUDX250,N1036540R","description":"\u003ch2\u003eReznor UDX 250,000 BTU Propane Unit Heater - NUDX250,N1036540R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"r3vqmv\" data-start=\"27\" data-end=\"371\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"88\"\u003eDesigned for heavy‑duty commercial \u0026amp; industrial heating\u003c\/strong\u003e\u003cbr data-start=\"88\" data-end=\"91\"\u003eWith \u003cstrong data-start=\"98\" data-end=\"140\"\u003e250,000 BTU input and ~83 % efficiency\u003c\/strong\u003e, this propane unit delivers the \u003cstrong data-start=\"173\" data-end=\"271\" data-is-only-node=\"\"\u003ehigh‑capacity, consistent heat needed for large garages, warehouses, workshops, and workspaces\u003c\/strong\u003e—making it a solid choice where standard heaters fall short. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1uncels\" data-start=\"373\" data-end=\"667\"\u003e\n\u003cstrong data-start=\"375\" data-end=\"414\"\u003eReliable, long‑lasting construction\u003c\/strong\u003e\u003cbr data-start=\"414\" data-end=\"417\"\u003eBuilt with a \u003cstrong data-start=\"432\" data-end=\"495\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e, it resists corrosion and wear under tough conditions—translating to \u003cstrong data-start=\"565\" data-end=\"600\" data-is-only-node=\"\"\u003eyears of dependable performance\u003c\/strong\u003e in demanding environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"58q9mc\" data-start=\"669\" data-end=\"932\"\u003e\n\u003cstrong data-start=\"671\" data-end=\"707\"\u003eSmart, service‑friendly features\u003c\/strong\u003e\u003cbr data-start=\"707\" data-end=\"710\"\u003eThe \u003cstrong data-start=\"716\" data-end=\"763\"\u003e7‑segment diagnostic display and status LED\u003c\/strong\u003e simplify troubleshooting, while \u003cstrong data-start=\"796\" data-end=\"824\" data-is-only-node=\"\"\u003eexternal gas connections\u003c\/strong\u003e make maintenance and installations quicker and more cost‑efficient. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1a12e93\" data-start=\"934\" data-end=\"1207\"\u003e\n\u003cstrong data-start=\"936\" data-end=\"977\"\u003eBalanced airflow with quiet operation\u003c\/strong\u003e\u003cbr data-start=\"977\" data-end=\"980\"\u003eThe \u003cstrong data-start=\"986\" data-end=\"1028\"\u003evibration‑isolated axial propeller fan\u003c\/strong\u003e delivers strong circulation and wide heat distribution (high CFM), yet keeps noise competitive for its class—important in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hv9aif\" data-start=\"1209\" data-end=\"1439\"\u003e\n\u003cstrong data-start=\"1211\" data-end=\"1254\"\u003eFlexible installation \u0026amp; modular options\u003c\/strong\u003e\u003cbr data-start=\"1254\" data-end=\"1257\"\u003ePower‑venting plus optional downturn louvers and vertical airflow accessories help tailor performance and airflow direction to layout needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"108\" data-end=\"341\"\u003e\u003cstrong data-start=\"108\" data-end=\"165\"\u003eQ: What is the heating capacity of the Reznor UDX250?\u003c\/strong\u003e\u003cbr data-start=\"165\" data-end=\"168\"\u003eA: It delivers \u003cstrong data-start=\"183\" data-end=\"226\"\u003e250,000 BTU input (~207,500 BTU output)\u003c\/strong\u003e of powerful heat for \u003cstrong data-start=\"248\" data-end=\"302\"\u003ecommercial, industrial, and large workshop heating\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"343\" data-end=\"525\"\u003e\u003cstrong data-start=\"343\" data-end=\"385\"\u003eQ: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"385\" data-end=\"388\"\u003eA: Designed for \u003cstrong data-start=\"404\" data-end=\"430\"\u003epropane (LP) operation\u003c\/strong\u003e, with ETL approval for indoor commercial\/industrial use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"527\" data-end=\"708\"\u003e\u003cstrong data-start=\"527\" data-end=\"562\"\u003eQ: How efficient is the UDX250?\u003c\/strong\u003e\u003cbr data-start=\"562\" data-end=\"565\"\u003eA: It achieves about \u003cstrong data-start=\"586\" data-end=\"618\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, maximizing heat while minimizing fuel consumption. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"710\" data-end=\"932\"\u003e\u003cstrong data-start=\"710\" data-end=\"764\"\u003eQ: What heat exchanger technology does it include?\u003c\/strong\u003e\u003cbr data-start=\"764\" data-end=\"767\"\u003eA: Features a \u003cstrong data-start=\"781\" data-end=\"844\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for enhanced durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"934\" data-end=\"1102\"\u003e\u003cstrong data-start=\"934\" data-end=\"982\"\u003eQ: What type of ventilation does it require?\u003c\/strong\u003e\u003cbr data-start=\"982\" data-end=\"985\"\u003eA: It’s \u003cstrong data-start=\"993\" data-end=\"1009\"\u003epower‑vented\u003c\/strong\u003e, reducing heat loss and improving overall performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1104\" data-end=\"1278\"\u003e\u003cstrong data-start=\"1104\" data-end=\"1147\"\u003eQ: How quiet is the heater’s operation?\u003c\/strong\u003e\u003cbr data-start=\"1147\" data-end=\"1150\"\u003eA: Equipped with \u003cstrong data-start=\"1167\" data-end=\"1211\"\u003evibration‑isolated fan and venter motors\u003c\/strong\u003e for \u003cstrong data-start=\"1216\" data-end=\"1239\"\u003elow noise operation\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1280\" data-end=\"1507\"\u003e\u003cstrong data-start=\"1280\" data-end=\"1335\"\u003eQ: Is installation and maintenance straightforward?\u003c\/strong\u003e\u003cbr data-start=\"1335\" data-end=\"1338\"\u003eA: Yes — includes \u003cstrong data-start=\"1356\" data-end=\"1417\"\u003eexternal status LED and 7‑segment display for diagnostics\u003c\/strong\u003e and \u003cstrong data-start=\"1422\" data-end=\"1449\"\u003eexternal gas connection\u003c\/strong\u003e for easier service. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1509\" data-end=\"1695\"\u003e\u003cstrong data-start=\"1509\" data-end=\"1558\"\u003eQ: What applications is this heater best for?\u003c\/strong\u003e\u003cbr data-start=\"1558\" data-end=\"1561\"\u003eA: Ideal for \u003cstrong data-start=\"1574\" data-end=\"1650\"\u003elarge commercial facilities, warehouses, and heavy‑duty workshop heating\u003c\/strong\u003e needs.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1rxgx82\" data-start=\"88\" data-end=\"348\"\u003e\n\u003cstrong data-start=\"90\" data-end=\"138\"\u003eAnnual heat exchanger inspection \u0026amp; cleaning:\u003c\/strong\u003e Check the TCORE2® titanium‑stabilized aluminized steel heat exchanger for soot, corrosion, and blockages — keeping it clean preserves ~83% AFUE and prevents overheating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gtmgym\" data-start=\"349\" data-end=\"549\"\u003e\n\u003cstrong data-start=\"351\" data-end=\"385\"\u003eBurner \u0026amp; ignition system care:\u003c\/strong\u003e Clean burner tubes and inspect direct spark ignition and flame sensor for reliable starts and efficient propane combustion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cq2pjb\" data-start=\"550\" data-end=\"737\"\u003e\n\u003cstrong data-start=\"552\" data-end=\"582\"\u003eKeep venting unobstructed:\u003c\/strong\u003e Ensure the power‑vent flue and combustion air paths are clear of debris to maintain proper draft and safe exhaust. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cibyqk\" data-start=\"738\" data-end=\"936\"\u003e\n\u003cstrong data-start=\"740\" data-end=\"769\"\u003eFan \u0026amp; blower maintenance:\u003c\/strong\u003e Remove dust from the axial fan and check motor bearings, vibration mounts, and airflow balance to avoid overheating and noise. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"i6oisr\" data-start=\"937\" data-end=\"1133\"\u003e\n\u003cstrong data-start=\"939\" data-end=\"980\"\u003eTighten gas \u0026amp; electrical connections:\u003c\/strong\u003e Verify 115 V wiring, gas fittings, and control wiring are secure and free of corrosion for consistent operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ffehno\" data-start=\"1134\" data-end=\"1295\"\u003e\n\u003cstrong data-start=\"1136\" data-end=\"1164\"\u003eMonitor LED\/diagnostics:\u003c\/strong\u003e Use status LEDs and 7‑segment fault codes for early issue detection before failures occur. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2l09bn\" data-start=\"1296\" data-end=\"1420\"\u003e\n\u003cstrong data-start=\"1298\" data-end=\"1322\"\u003eKeep exterior clean:\u003c\/strong\u003e Regularly remove dust\/debris from cabinet and louvers to support airflow and heater efficiency.\u003c\/li\u003e\n\u003cli data-section-id=\"1rw97sj\" data-start=\"1421\" data-end=\"1560\"\u003e\n\u003cstrong data-start=\"1423\" data-end=\"1455\"\u003eProfessional annual service:\u003c\/strong\u003e A qualified HVAC tech should perform combustion checks, pressure testing, and safety control inspection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796201663,"sku":"NUDX250,N1036540R","price":2780.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_9001cb3b-8e15-4183-b23d-2afc206cd26c.jpg?v=1775897134"},{"product_id":"reznor-udx-175000-btu-natural-gas-unit-heater","title":"Reznor UDX 175,000 BTU Natural Gas Unit Heater - NUDX175","description":"\u003ch2\u003eReznor UDX 175,000 BTU Natural Gas Unit Heater - NUDX175\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1eof57h\" data-start=\"27\" data-end=\"349\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"68\"\u003ePerfect mid‑range commercial heater\u003c\/strong\u003e\u003cbr data-start=\"68\" data-end=\"71\"\u003eThe \u003cstrong data-start=\"77\" data-end=\"137\"\u003eReznor UDX 175,000 BTU Natural Gas Unit Heater (NUDX175)\u003c\/strong\u003e delivers \u003cstrong data-start=\"147\" data-end=\"197\" data-is-only-node=\"\"\u003esolid heating power for medium‑to‑large spaces\u003c\/strong\u003e like workshops, garages, and warehouses—ideal when you need more capacity than smaller models without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y778o5\" data-start=\"351\" data-end=\"591\"\u003e\n\u003cstrong data-start=\"353\" data-end=\"395\"\u003eEfficient performance you can count on\u003c\/strong\u003e\u003cbr data-start=\"395\" data-end=\"398\"\u003eWith \u003cstrong data-start=\"405\" data-end=\"430\"\u003e~83 % AFUE efficiency\u003c\/strong\u003e, it balances \u003cstrong data-start=\"444\" data-end=\"491\" data-is-only-node=\"\"\u003estrong heat output with reasonable fuel use\u003c\/strong\u003e, helping control operating costs in daily commercial service. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1als6r4\" data-start=\"593\" data-end=\"842\"\u003e\n\u003cstrong data-start=\"595\" data-end=\"631\"\u003eDurable, industrial‑ready design\u003c\/strong\u003e\u003cbr data-start=\"631\" data-end=\"634\"\u003eThe \u003cstrong data-start=\"640\" data-end=\"703\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e is built for long‑term reliability under high‑usage conditions—critical for commercial environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nx983a\" data-start=\"844\" data-end=\"1069\"\u003e\n\u003cstrong data-start=\"846\" data-end=\"884\"\u003eEasy troubleshooting \u0026amp; maintenance\u003c\/strong\u003e\u003cbr data-start=\"884\" data-end=\"887\"\u003eFeatures like a \u003cstrong data-start=\"905\" data-end=\"958\"\u003e7‑segment display board and LED status indicators\u003c\/strong\u003e make diagnostics fast and maintenance more efficient, reducing downtime. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1na2q6t\" data-start=\"1071\" data-end=\"1276\"\u003e\n\u003cstrong data-start=\"1073\" data-end=\"1114\"\u003eBalanced airflow \u0026amp; wide heat coverage\u003c\/strong\u003e\u003cbr data-start=\"1114\" data-end=\"1117\"\u003eGenerating \u003cstrong data-start=\"1130\" data-end=\"1180\"\u003e~2,200 CFM airflow with up to ~90 ft air throw\u003c\/strong\u003e, it ensures \u003cstrong data-start=\"1193\" data-end=\"1237\" data-is-only-node=\"\"\u003eeven heat distribution across your space\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nq2u8d\" data-start=\"1278\" data-end=\"1504\"\u003e\n\u003cstrong data-start=\"1280\" data-end=\"1319\"\u003eQuiet, workspace‑friendly operation\u003c\/strong\u003e\u003cbr data-start=\"1319\" data-end=\"1322\"\u003eDesigned with a \u003cstrong data-start=\"1340\" data-end=\"1390\"\u003evibration‑isolated axial fan and venter motors\u003c\/strong\u003e, it keeps noise levels reasonable (~52 dB), even during heavy duty heating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"104\" data-end=\"386\"\u003e\u003cstrong data-start=\"104\" data-end=\"155\"\u003eQ1: What size space can the Reznor UDX175 heat?\u003c\/strong\u003e\u003cbr data-start=\"155\" data-end=\"158\"\u003eA: With \u003cstrong data-start=\"166\" data-end=\"211\"\u003e175,000 BTU input and ~145,000 BTU output\u003c\/strong\u003e, this natural gas unit heater is ideal for \u003cstrong data-start=\"255\" data-end=\"325\"\u003elarge garages, shops, warehouses, and commercial\/industrial spaces\u003c\/strong\u003e needing robust heat. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"388\" data-end=\"586\"\u003e\u003cstrong data-start=\"388\" data-end=\"424\"\u003eQ2: How efficient is the UDX175?\u003c\/strong\u003e\u003cbr data-start=\"424\" data-end=\"427\"\u003eA: It offers up to \u003cstrong data-start=\"446\" data-end=\"479\"\u003e~83 % AFUE thermal efficiency\u003c\/strong\u003e, helping reduce fuel use while delivering strong heat performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"588\" data-end=\"763\"\u003e\u003cstrong data-start=\"588\" data-end=\"631\"\u003eQ3: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"631\" data-end=\"634\"\u003eA: This unit operates on \u003cstrong data-start=\"659\" data-end=\"674\"\u003enatural gas\u003c\/strong\u003e, designed for power‑vented ducted installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"765\" data-end=\"988\"\u003e\u003cstrong data-start=\"765\" data-end=\"801\"\u003eQ4: Is the UDX175 still current?\u003c\/strong\u003e\u003cbr data-start=\"801\" data-end=\"804\"\u003eA: The \u003cstrong data-start=\"811\" data-end=\"850\"\u003eReznor UDX175 has been discontinued\u003c\/strong\u003e and replaced by the updated \u003cstrong data-start=\"879\" data-end=\"905\"\u003eReznor UDXC‑175 series\u003c\/strong\u003e (convertible\/separated combustion models). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"990\" data-end=\"1287\"\u003e\u003cstrong data-start=\"990\" data-end=\"1039\"\u003eQ5: What durability features does it include?\u003c\/strong\u003e\u003cbr data-start=\"1039\" data-end=\"1042\"\u003eA: It features a \u003cstrong data-start=\"1059\" data-end=\"1122\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e, \u003cstrong data-start=\"1124\" data-end=\"1159\"\u003emulti‑try direct spark ignition\u003c\/strong\u003e, and a \u003cstrong data-start=\"1167\" data-end=\"1210\"\u003evibration‑isolated fan and venter motor\u003c\/strong\u003e for long life and quieter operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1289\" data-end=\"1484\"\u003e\u003cstrong data-start=\"1289\" data-end=\"1322\"\u003eQ6: How effective is airflow?\u003c\/strong\u003e\u003cbr data-start=\"1322\" data-end=\"1325\"\u003eA: The heater delivers up to \u003cstrong data-start=\"1354\" data-end=\"1398\"\u003e~2,240 CFM airflow with ~90 ft air throw\u003c\/strong\u003e, ensuring even heat coverage in large spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1486\" data-end=\"1694\"\u003e\u003cstrong data-start=\"1486\" data-end=\"1534\"\u003eQ7: Is maintenance and troubleshooting easy?\u003c\/strong\u003e\u003cbr data-start=\"1534\" data-end=\"1537\"\u003eA: Yes — it includes a \u003cstrong data-start=\"1560\" data-end=\"1607\"\u003estatus LED and 7‑segment diagnostic display\u003c\/strong\u003e for simplified maintenance and service checks. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1696\" data-end=\"1934\"\u003e\u003cstrong data-start=\"1696\" data-end=\"1754\"\u003eQ8: What are the electrical and mounting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1754\" data-end=\"1757\"\u003eA: Runs on \u003cstrong data-start=\"1768\" data-end=\"1796\"\u003e115 V single‑phase power\u003c\/strong\u003e, supports \u003cstrong data-start=\"1807\" data-end=\"1852\"\u003e2‑ or 4‑point ceiling suspension mounting\u003c\/strong\u003e, and uses a \u003cstrong data-start=\"1865\" data-end=\"1879\"\u003epower vent\u003c\/strong\u003e configuration.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"pj6n1p\" data-start=\"83\" data-end=\"257\"\u003e\n\u003cstrong data-start=\"85\" data-end=\"120\"\u003eClean fan \u0026amp; airflow components:\u003c\/strong\u003e Remove dust from the axial propeller fan, louvers, and intake areas to maintain strong airflow (~2100 CFM) and even heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"gwl23\" data-start=\"258\" data-end=\"423\"\u003e\n\u003cstrong data-start=\"260\" data-end=\"296\"\u003eInspect heat exchanger annually:\u003c\/strong\u003e Check the TCORE2® aluminized steel exchanger for cracks or corrosion to ensure safe combustion and long-lasting performance.\u003c\/li\u003e\n\u003cli data-section-id=\"6tdrgb\" data-start=\"424\" data-end=\"572\"\u003e\n\u003cstrong data-start=\"426\" data-end=\"458\"\u003eCheck ignition \u0026amp; gas system:\u003c\/strong\u003e Test direct spark ignition and verify natural gas pressure and connections to prevent misfires or inefficiency.\u003c\/li\u003e\n\u003cli data-section-id=\"1p1mbje\" data-start=\"573\" data-end=\"717\"\u003e\n\u003cstrong data-start=\"575\" data-end=\"603\"\u003eMaintain venting system:\u003c\/strong\u003e Ensure the power vent and flue outlet are free from obstructions to avoid heat loss and unsafe exhaust buildup.\u003c\/li\u003e\n\u003cli data-section-id=\"14cls6p\" data-start=\"718\" data-end=\"866\"\u003e\n\u003cstrong data-start=\"720\" data-end=\"754\"\u003eMonitor electrical components:\u003c\/strong\u003e Inspect wiring, LED diagnostics, and control board; tighten loose connections to maintain reliable operation.\u003c\/li\u003e\n\u003cli data-section-id=\"1ncy9vo\" data-start=\"867\" data-end=\"1001\"\u003e\n\u003cstrong data-start=\"869\" data-end=\"903\"\u003eCheck fan \u0026amp; motor performance:\u003c\/strong\u003e Ensure vibration-isolated motors run smoothly and quietly to prevent wear and maintain airflow.\u003c\/li\u003e\n\u003cli data-section-id=\"a75el2\" data-start=\"1002\" data-end=\"1146\"\u003e\n\u003cstrong data-start=\"1004\" data-end=\"1045\"\u003eSchedule annual professional service:\u003c\/strong\u003e Maintains ~83% efficiency, safe operation, and heat exchanger warranty compliance (up to 9 years).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796234431,"sku":"NUDX175","price":2332.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_add4dbda-570c-4a1b-9d34-1e0800e67ff8.jpg?v=1775897136"},{"product_id":"reznor-udx-100-000-btu-propane-unit-heater","title":"Reznor UDX 100,000 BTU Propane Unit  - NUDX100,N1036538R","description":"\u003ch2\u003eReznor UDX 100,000 BTU Propane Unit  - NUDX100,N1036538R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"cwcbeo\" data-start=\"27\" data-end=\"309\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"68\"\u003eRight‑sized power for larger spaces\u003c\/strong\u003e\u003cbr data-start=\"68\" data-end=\"71\"\u003eWith \u003cstrong data-start=\"78\" data-end=\"119\"\u003e100,000 BTU and ~83 % AFUE efficiency\u003c\/strong\u003e, this propane UDX heater delivers \u003cstrong data-start=\"154\" data-end=\"181\" data-is-only-node=\"\"\u003estrong, consistent heat\u003c\/strong\u003e for \u003cstrong data-start=\"186\" data-end=\"242\"\u003elarge workshops, garages, and light commercial areas\u003c\/strong\u003e without excess fuel waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vsk95s\" data-start=\"311\" data-end=\"569\"\u003e\n\u003cstrong data-start=\"313\" data-end=\"354\"\u003ePro‑grade durability you can count on\u003c\/strong\u003e\u003cbr data-start=\"354\" data-end=\"357\"\u003eBuilt with a \u003cstrong data-start=\"372\" data-end=\"435\"\u003eTCORE2® titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e, it resists corrosion and wear—ensuring longevity in tough job‑site or industrial conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ohcex4\" data-start=\"571\" data-end=\"791\"\u003e\n\u003cstrong data-start=\"573\" data-end=\"612\"\u003ePower‑vent design reduces heat loss\u003c\/strong\u003e\u003cbr data-start=\"612\" data-end=\"615\"\u003eThe unit’s \u003cstrong data-start=\"628\" data-end=\"658\"\u003epower vented configuration\u003c\/strong\u003e helps eliminate wasted heat up the flue, improving performance and reducing operating costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vb9ze\" data-start=\"793\" data-end=\"1049\"\u003e\n\u003cstrong data-start=\"795\" data-end=\"834\"\u003eUser‑friendly service \u0026amp; diagnostics\u003c\/strong\u003e\u003cbr data-start=\"834\" data-end=\"837\"\u003eFeatures like \u003cstrong data-start=\"853\" data-end=\"928\"\u003eLED status indicators, easy access panels, and external gas connections\u003c\/strong\u003e simplify installation and maintenance—saving time and headaches for technicians. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"k8t362\" data-start=\"1051\" data-end=\"1301\"\u003e\n\u003cstrong data-start=\"1053\" data-end=\"1083\"\u003eBalanced airflow \u0026amp; comfort\u003c\/strong\u003e\u003cbr data-start=\"1083\" data-end=\"1086\"\u003eThe \u003cstrong data-start=\"1092\" data-end=\"1140\"\u003eaxial propeller fan with vibration isolation\u003c\/strong\u003e delivers wide air circulation quietly and effectively, helping maintain \u003cstrong data-start=\"1213\" data-end=\"1239\" data-is-only-node=\"\"\u003eeven heat distribution\u003c\/strong\u003e across larger spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"138qgco\" data-start=\"1303\" data-end=\"1519\"\u003e\n\u003cstrong data-start=\"1305\" data-end=\"1340\"\u003eFlexible mounting \u0026amp; application\u003c\/strong\u003e\u003cbr data-start=\"1340\" data-end=\"1343\"\u003eDesigned for \u003cstrong data-start=\"1358\" data-end=\"1393\"\u003e2‑ or 4‑point suspension mounts\u003c\/strong\u003e, it adapts to both \u003cstrong data-start=\"1413\" data-end=\"1447\" data-is-only-node=\"\"\u003eceiling and wall installations\u003c\/strong\u003e depending on your space layout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"108\" data-end=\"353\"\u003e\u003cstrong data-start=\"108\" data-end=\"157\"\u003eQ: What is the heating capacity of this unit?\u003c\/strong\u003e\u003cbr data-start=\"157\" data-end=\"160\"\u003eA: The UDX100 delivers \u003cstrong data-start=\"183\" data-end=\"226\"\u003e~105,000 BTU input (~87,000 BTU output)\u003c\/strong\u003e, ideal for \u003cstrong data-start=\"238\" data-end=\"290\"\u003emedium garages, workshops, and commercial spaces\u003c\/strong\u003e requiring reliable heat. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"355\" data-end=\"557\"\u003e\u003cstrong data-start=\"355\" data-end=\"398\"\u003eQ: What fuel type does the NUDX100 use?\u003c\/strong\u003e\u003cbr data-start=\"398\" data-end=\"401\"\u003eA: Factory‑configured for \u003cstrong data-start=\"427\" data-end=\"443\"\u003epropane (LP)\u003c\/strong\u003e operation with ETL approval for indoor commercial\/industrial installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"559\" data-end=\"750\"\u003e\u003cstrong data-start=\"559\" data-end=\"608\"\u003eQ: How efficient is this propane unit heater?\u003c\/strong\u003e\u003cbr data-start=\"608\" data-end=\"611\"\u003eA: It achieves \u003cstrong data-start=\"626\" data-end=\"659\"\u003e~83 % AFUE thermal efficiency\u003c\/strong\u003e, maximizing heat output while minimizing fuel usage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"752\" data-end=\"965\"\u003e\u003cstrong data-start=\"752\" data-end=\"806\"\u003eQ: What heat exchanger technology does it include?\u003c\/strong\u003e\u003cbr data-start=\"806\" data-end=\"809\"\u003eA: Features a \u003cstrong data-start=\"823\" data-end=\"886\"\u003eTCORE2® titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"967\" data-end=\"1172\"\u003e\u003cstrong data-start=\"967\" data-end=\"1017\"\u003eQ: How does it handle ventilation and airflow?\u003c\/strong\u003e\u003cbr data-start=\"1017\" data-end=\"1020\"\u003eA: Power‑vented design reduces heat losses up the flue, and an \u003cstrong data-start=\"1083\" data-end=\"1106\"\u003eaxial propeller fan\u003c\/strong\u003e circulates warm air evenly. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1174\" data-end=\"1350\"\u003e\u003cstrong data-start=\"1174\" data-end=\"1204\"\u003eQ: Is the operation quiet?\u003c\/strong\u003e\u003cbr data-start=\"1204\" data-end=\"1207\"\u003eA: Yes — built with \u003cstrong data-start=\"1227\" data-end=\"1271\"\u003evibration‑isolated fan and venter motors\u003c\/strong\u003e for reduced noise during heating cycles. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1352\" data-end=\"1573\"\u003e\u003cstrong data-start=\"1352\" data-end=\"1392\"\u003eQ: Is installation and service easy?\u003c\/strong\u003e\u003cbr data-start=\"1392\" data-end=\"1395\"\u003eA: Includes \u003cstrong data-start=\"1407\" data-end=\"1434\"\u003eexternal gas connection\u003c\/strong\u003e and is designed for \u003cstrong data-start=\"1455\" data-end=\"1492\"\u003e2‑ or 4‑point suspension mounting\u003c\/strong\u003e, simplifying installation and maintenance.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"13kqm7m\" data-start=\"88\" data-end=\"330\"\u003e\n\u003cstrong data-start=\"90\" data-end=\"127\"\u003eAnnual heat exchanger inspection:\u003c\/strong\u003e Check the TCORE2® titanium‑stabilized aluminized steel exchanger for soot, corrosion, cracks or buildup — clean lightly to maintain ~83 % AFUE and safe operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ecvhai\" data-start=\"331\" data-end=\"505\"\u003e\n\u003cstrong data-start=\"333\" data-end=\"358\"\u003eBurner \u0026amp; flame check:\u003c\/strong\u003e Clean burner tubes and inspect flame quality (mostly blue, steady) to ensure efficient propane combustion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gzxe3k\" data-start=\"506\" data-end=\"700\"\u003e\n\u003cstrong data-start=\"508\" data-end=\"541\"\u003eClear venting \u0026amp; intake paths:\u003c\/strong\u003e Ensure power‑vent flue and combustion air openings are free of debris to maintain proper draft and avoid backdrafting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tqzst3\" data-start=\"701\" data-end=\"872\"\u003e\n\u003cstrong data-start=\"703\" data-end=\"724\"\u003eFan \u0026amp; motor care:\u003c\/strong\u003e Remove dust from the axial propeller fan and check for balance, noise or looseness that can reduce airflow. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xhg618\" data-start=\"873\" data-end=\"1054\"\u003e\n\u003cstrong data-start=\"875\" data-end=\"908\"\u003eElectrical \u0026amp; ignition checks:\u003c\/strong\u003e Tighten wiring, inspect direct spark ignition and clean flame sensor\/LED diagnostics for reliable starts. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"22benr\" data-start=\"1055\" data-end=\"1212\"\u003e\n\u003cstrong data-start=\"1057\" data-end=\"1083\"\u003eGas supply inspection:\u003c\/strong\u003e Check propane line fittings for leaks and proper regulator operation before each season. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16ncgur\" data-start=\"1213\" data-end=\"1320\"\u003e\n\u003cstrong data-start=\"1215\" data-end=\"1239\"\u003eKeep exterior clean:\u003c\/strong\u003e Dust and debris on the cabinet and louvers restrict airflow and heat transfer.\u003c\/li\u003e\n\u003cli data-section-id=\"15ch25d\" data-start=\"1321\" data-end=\"1467\"\u003e\n\u003cstrong data-start=\"1323\" data-end=\"1355\"\u003eProfessional annual service:\u003c\/strong\u003e Have an HVAC technician perform combustion tests and safety control checks to maximize efficiency and lifespan.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796267199,"sku":"NUDX100,N1036538R","price":1750.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_3b558b54-e148-46f7-80e9-c3798ab6ad10.jpg?v=1775897139"},{"product_id":"reznor-udx-30000-btu-propane-unit-heater","title":"Reznor UDX 30,000 BTU Propane Unit Heater - NUDX30,N1036536R","description":"\u003ch2\u003eReznor UDX 30,000 BTU Propane Unit Heater - NUDX30,N1036536R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"17nw3es\" data-start=\"27\" data-end=\"335\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"59\"\u003eCompact yet capable heater\u003c\/strong\u003e\u003cbr data-start=\"59\" data-end=\"62\"\u003eThe \u003cstrong data-start=\"68\" data-end=\"133\"\u003eReznor UDX 30,000 BTU Propane Unit Heater (NUDX30, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"143\" data-end=\"203\" data-is-only-node=\"\"\u003eefficient heat for smaller commercial or workshop spaces\u003c\/strong\u003e, making it ideal for garages, shops, or utility rooms that don’t require high‑capacity units. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ee8hn3\" data-start=\"337\" data-end=\"545\"\u003e\n\u003cstrong data-start=\"339\" data-end=\"371\"\u003eGood efficiency for its size\u003c\/strong\u003e\u003cbr data-start=\"371\" data-end=\"374\"\u003eAround \u003cstrong data-start=\"383\" data-end=\"407\"\u003e82 % AFUE efficiency\u003c\/strong\u003e, it balances \u003cstrong data-start=\"421\" data-end=\"449\" data-is-only-node=\"\"\u003efuel use and heat output\u003c\/strong\u003e, helping keep operating costs reasonable in everyday use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1084w96\" data-start=\"547\" data-end=\"759\"\u003e\n\u003cstrong data-start=\"549\" data-end=\"574\"\u003eBuilt for reliability\u003c\/strong\u003e\u003cbr data-start=\"574\" data-end=\"577\"\u003eFeatures a \u003cstrong data-start=\"590\" data-end=\"653\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e designed to withstand frequent cycling and everyday commercial use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16qqa7m\" data-start=\"761\" data-end=\"975\"\u003e\n\u003cstrong data-start=\"763\" data-end=\"792\"\u003eLow noise \u0026amp; solid airflow\u003c\/strong\u003e\u003cbr data-start=\"792\" data-end=\"795\"\u003eA \u003cstrong data-start=\"799\" data-end=\"841\"\u003evibration‑isolated axial propeller fan\u003c\/strong\u003e keeps noise low (~40 dB) while providing effective circulation (~456 CFM) for even heat spread. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"k23ek0\" data-start=\"977\" data-end=\"1173\"\u003e\n\u003cstrong data-start=\"979\" data-end=\"1009\"\u003eEasy service \u0026amp; diagnostics\u003c\/strong\u003e\u003cbr data-start=\"1009\" data-end=\"1012\"\u003eIncludes \u003cstrong data-start=\"1023\" data-end=\"1072\"\u003eLED status indicators and a 7‑segment display\u003c\/strong\u003e for fast troubleshooting, reducing maintenance time and costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"v7z6qy\" data-start=\"1175\" data-end=\"1412\"\u003e\n\u003cstrong data-start=\"1177\" data-end=\"1202\"\u003eFlexible installation\u003c\/strong\u003e\u003cbr data-start=\"1202\" data-end=\"1205\"\u003e\u003cstrong data-start=\"1207\" data-end=\"1230\"\u003ePower‑vented design\u003c\/strong\u003e minimizes heat loss up the flue and offers flexible mounting options (horizontal or suspended) with external gas connection for easy servicing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"96\" data-end=\"370\"\u003e\u003cstrong data-start=\"96\" data-end=\"138\"\u003eQ1: What size area is this heater for?\u003c\/strong\u003e\u003cbr data-start=\"138\" data-end=\"141\"\u003eA: With \u003cstrong data-start=\"149\" data-end=\"192\"\u003e30,000 BTU input and ~24,600 BTU output\u003c\/strong\u003e, this propane unit heater is suited for \u003cstrong data-start=\"233\" data-end=\"293\"\u003esmall to medium garages, workshops, or commercial spaces\u003c\/strong\u003e needing efficient supplemental heat. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"372\" data-end=\"572\"\u003e\u003cstrong data-start=\"372\" data-end=\"409\"\u003eQ2: What fuel does the UDX30 use?\u003c\/strong\u003e\u003cbr data-start=\"409\" data-end=\"412\"\u003eA: It runs on \u003cstrong data-start=\"426\" data-end=\"449\"\u003eliquid propane (LP)\u003c\/strong\u003e and includes the factory‑approved propane setup (N1036536R) for proper combustion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"574\" data-end=\"754\"\u003e\u003cstrong data-start=\"574\" data-end=\"608\"\u003eQ3: How efficient is the unit?\u003c\/strong\u003e\u003cbr data-start=\"608\" data-end=\"611\"\u003eA: It delivers around \u003cstrong data-start=\"633\" data-end=\"660\"\u003e82–83 % AFUE efficiency\u003c\/strong\u003e, providing solid heat output with optimized fuel use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"756\" data-end=\"974\"\u003e\u003cstrong data-start=\"756\" data-end=\"798\"\u003eQ4: Is this model current or replaced?\u003c\/strong\u003e\u003cbr data-start=\"798\" data-end=\"801\"\u003eA: The original UDX‑30 has been \u003cstrong data-start=\"833\" data-end=\"890\"\u003ediscontinued and replaced by the newer UDXC‑30 series\u003c\/strong\u003e, but many suppliers still offer this model. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"976\" data-end=\"1261\"\u003e\u003cstrong data-start=\"976\" data-end=\"1027\"\u003eQ5: What are its durability and build features?\u003c\/strong\u003e\u003cbr data-start=\"1027\" data-end=\"1030\"\u003eA: It includes a \u003cstrong data-start=\"1047\" data-end=\"1110\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e, an \u003cstrong data-start=\"1115\" data-end=\"1150\"\u003eaxial propeller fan for airflow\u003c\/strong\u003e, and \u003cstrong data-start=\"1156\" data-end=\"1220\"\u003evibration‑isolated motors for quieter sound levels (~40 dBA)\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1263\" data-end=\"1491\"\u003e\u003cstrong data-start=\"1263\" data-end=\"1304\"\u003eQ6: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1304\" data-end=\"1307\"\u003eA: Up to \u003cstrong data-start=\"1316\" data-end=\"1336\"\u003e~456 CFM airflow\u003c\/strong\u003e with an \u003cstrong data-start=\"1345\" data-end=\"1372\"\u003eapprox. 30 ft air throw\u003c\/strong\u003e, and a \u003cstrong data-start=\"1380\" data-end=\"1410\"\u003elow noise design (~40 dBA)\u003c\/strong\u003e for comfortable operation in workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1493\" data-end=\"1740\"\u003e\u003cstrong data-start=\"1493\" data-end=\"1538\"\u003eQ7: Is installation and service friendly?\u003c\/strong\u003e\u003cbr data-start=\"1538\" data-end=\"1541\"\u003eA: Yes — it offers \u003cstrong data-start=\"1560\" data-end=\"1699\"\u003eexternal gas connection, multi‑try direct spark ignition with time lockout, LED status indicator, and 7‑segment display for diagnostics\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1742\" data-end=\"1985\"\u003e\u003cstrong data-start=\"1742\" data-end=\"1799\"\u003eQ8: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1799\" data-end=\"1802\"\u003eA: Runs on \u003cstrong data-start=\"1813\" data-end=\"1858\"\u003e115 V single‑phase power with ~1.9 A draw\u003c\/strong\u003e and uses \u003cstrong data-start=\"1868\" data-end=\"1903\"\u003e4″ power‑vented flue connection\u003c\/strong\u003e — typical for unit heaters in this class.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"6u32xa\" data-start=\"89\" data-end=\"217\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly dust the fan, louvers, and intake screen to maintain proper airflow and efficient heating.\u003c\/li\u003e\n\u003cli data-section-id=\"n2pegz\" data-start=\"218\" data-end=\"352\"\u003e\n\u003cstrong data-start=\"220\" data-end=\"245\"\u003eCheck heat exchanger:\u003c\/strong\u003e Inspect for cracks, corrosion, or soot buildup annually to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"11zuvsz\" data-start=\"353\" data-end=\"491\"\u003e\n\u003cstrong data-start=\"355\" data-end=\"390\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify direct spark ignition and propane pressure\/connections to prevent misfires and uneven heat.\u003c\/li\u003e\n\u003cli data-section-id=\"1ma3oz6\" data-start=\"492\" data-end=\"615\"\u003e\n\u003cstrong data-start=\"494\" data-end=\"517\"\u003eKeep venting clear:\u003c\/strong\u003e Ensure the power vent and flue are free of obstructions to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"7u0qoh\" data-start=\"616\" data-end=\"744\"\u003e\n\u003cstrong data-start=\"618\" data-end=\"652\"\u003eInspect electrical components:\u003c\/strong\u003e Check wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults.\u003c\/li\u003e\n\u003cli data-section-id=\"8g0kjl\" data-start=\"745\" data-end=\"859\"\u003e\n\u003cstrong data-start=\"747\" data-end=\"785\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Confirm proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"1jwatx4\" data-start=\"860\" data-end=\"986\"\u003e\n\u003cstrong data-start=\"862\" data-end=\"894\"\u003eAnnual professional service:\u003c\/strong\u003e Helps maintain efficiency, reliable performance, and compliance with warranty guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796299967,"sku":"NUDX30,N1036536R","price":1376.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_700d64d7-c315-4015-8715-d1e27649c0f6.jpg?v=1775897141"},{"product_id":"reznor-udx-125000-btu-propane-unit-heater","title":"Reznor UDX 125,000 BTU Propane Unit Heater - NUDX125,N1036538R","description":"\u003ch2\u003eReznor UDX 125,000 BTU Propane Unit Heater - NUDX125,N1036538R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-end=\"305\" data-start=\"27\" data-section-id=\"14fkrfa\"\u003e\n\u003cstrong data-end=\"67\" data-start=\"29\"\u003ePowerful mid‑range propane heating\u003c\/strong\u003e\u003cbr data-end=\"70\" data-start=\"67\"\u003eWith \u003cstrong data-end=\"107\" data-start=\"77\"\u003e125,000 BTU and ~83 % AFUE\u003c\/strong\u003e, this propane UDX heater delivers \u003cstrong data-is-only-node=\"\" data-end=\"173\" data-start=\"142\"\u003erobust, cost‑effective heat\u003c\/strong\u003e for \u003cstrong data-end=\"235\" data-start=\"178\"\u003elarge garages, workshops, and light‑commercial spaces\u003c\/strong\u003e where smaller units struggle. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"556\" data-start=\"307\" data-section-id=\"1him90o\"\u003e\n\u003cstrong data-end=\"344\" data-start=\"309\"\u003eBuilt for long‑term reliability\u003c\/strong\u003e\u003cbr data-end=\"347\" data-start=\"344\"\u003eThe \u003cstrong data-end=\"416\" data-start=\"353\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e enhances durability and corrosion resistance, boosting service life even in demanding environments. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"764\" data-start=\"558\" data-section-id=\"1k6m1jv\"\u003e\n\u003cstrong data-end=\"594\" data-start=\"560\"\u003eEfficient, power‑vented design\u003c\/strong\u003e\u003cbr data-end=\"597\" data-start=\"594\"\u003e\u003cstrong data-end=\"616\" data-start=\"599\"\u003ePower venting\u003c\/strong\u003e reduces heat lost up the flue and improves overall system efficiency compared with non‑vented alternatives. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1002\" data-start=\"766\" data-section-id=\"1ttjny5\"\u003e\n\u003cstrong data-end=\"797\" data-start=\"768\"\u003eLow noise \u0026amp; solid airflow\u003c\/strong\u003e\u003cbr data-end=\"800\" data-start=\"797\"\u003eThe \u003cstrong data-end=\"848\" data-start=\"806\"\u003evibration‑isolated axial propeller fan\u003c\/strong\u003e keeps operation quieter and provides wide air distribution to help reduce cold spots in large bays or open areas. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1248\" data-start=\"1004\" data-section-id=\"14sbwuz\"\u003e\n\u003cstrong data-end=\"1035\" data-start=\"1006\"\u003eService‑friendly features\u003c\/strong\u003e\u003cbr data-end=\"1038\" data-start=\"1035\"\u003eBuilt‑in \u003cstrong data-end=\"1074\" data-start=\"1049\"\u003e7‑segment diagnostics\u003c\/strong\u003e, \u003cstrong data-is-only-node=\"\" data-end=\"1101\" data-start=\"1076\"\u003eLED status indicators\u003c\/strong\u003e, and \u003cstrong data-end=\"1135\" data-start=\"1107\"\u003eexternal gas connections\u003c\/strong\u003e simplify maintenance and troubleshooting—cutting service time and costs. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1501\" data-start=\"1250\" data-section-id=\"1benzlk\"\u003e\n\u003cstrong data-end=\"1280\" data-start=\"1252\"\u003eFlexible install options\u003c\/strong\u003e\u003cbr data-end=\"1283\" data-start=\"1280\"\u003eStandard \u003cstrong data-end=\"1331\" data-start=\"1294\"\u003eceiling or wall suspension points\u003c\/strong\u003e make installation adaptable across different layouts, and optional downturn or vertical louvers let you tailor airflow direction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-end=\"349\" data-start=\"108\"\u003e\u003cstrong data-end=\"165\" data-start=\"108\"\u003eQ: What is the heating capacity of the Reznor UDX125?\u003c\/strong\u003e\u003cbr data-end=\"168\" data-start=\"165\"\u003eA: It delivers \u003cstrong data-end=\"215\" data-start=\"183\"\u003e125,000 BTU input (~125 MBH)\u003c\/strong\u003e of powerful heat, perfect for \u003cstrong data-end=\"310\" data-start=\"246\"\u003emedium garages, workshops, warehouses, and commercial spaces\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"537\" data-start=\"351\"\u003e\u003cstrong data-end=\"394\" data-start=\"351\"\u003eQ: What fuel type does the NUDX125 use?\u003c\/strong\u003e\u003cbr data-end=\"397\" data-start=\"394\"\u003eA: Designed for \u003cstrong data-end=\"429\" data-start=\"413\"\u003epropane (LP)\u003c\/strong\u003e operation with ETL approval for indoor commercial\/industrial heating. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"715\" data-start=\"539\"\u003e\u003cstrong data-end=\"590\" data-start=\"539\"\u003eQ: What efficiency rating does this unit offer?\u003c\/strong\u003e\u003cbr data-end=\"593\" data-start=\"590\"\u003eA: The UDX125 achieves \u003cstrong data-end=\"649\" data-start=\"616\"\u003e~83 % AFUE thermal efficiency\u003c\/strong\u003e, helping reduce fuel costs. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"933\" data-start=\"717\"\u003e\u003cstrong data-end=\"771\" data-start=\"717\"\u003eQ: What heat exchanger technology does it include?\u003c\/strong\u003e\u003cbr data-end=\"774\" data-start=\"771\"\u003eA: It features a \u003cstrong data-end=\"854\" data-start=\"791\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for durability and corrosion resistance. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1105\" data-start=\"935\"\u003e\u003cstrong data-end=\"974\" data-start=\"935\"\u003eQ: Does it require special venting?\u003c\/strong\u003e\u003cbr data-end=\"977\" data-start=\"974\"\u003eA: Yes — it’s \u003cstrong data-end=\"1007\" data-start=\"991\"\u003epower‑vented\u003c\/strong\u003e to eliminate heat loss up the flue and improve performance. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1273\" data-start=\"1107\"\u003e\u003cstrong data-end=\"1147\" data-start=\"1107\"\u003eQ: How does the airflow system work?\u003c\/strong\u003e\u003cbr data-end=\"1150\" data-start=\"1147\"\u003eA: Uses a \u003cstrong data-end=\"1194\" data-start=\"1160\"\u003elow‑static axial propeller fan\u003c\/strong\u003e for efficient and even air distribution. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1431\" data-start=\"1275\"\u003e\u003cstrong data-end=\"1305\" data-start=\"1275\"\u003eQ: Is the operation quiet?\u003c\/strong\u003e\u003cbr data-end=\"1308\" data-start=\"1305\"\u003eA: Built with \u003cstrong data-end=\"1366\" data-start=\"1322\"\u003evibration‑isolated fan and venter motors\u003c\/strong\u003e for \u003cstrong data-end=\"1392\" data-start=\"1371\"\u003elow‑noise heating\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1674\" data-start=\"1433\"\u003e\u003cstrong data-end=\"1477\" data-start=\"1433\"\u003eQ: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-end=\"1480\" data-start=\"1477\"\u003eA: Designed with \u003cstrong data-end=\"1524\" data-start=\"1497\"\u003eexternal gas connection\u003c\/strong\u003e, \u003cstrong data-end=\"1551\" data-start=\"1526\"\u003eLED status indicators\u003c\/strong\u003e, and \u003cstrong data-end=\"1593\" data-start=\"1557\"\u003e2‑ or 4‑point suspension options\u003c\/strong\u003e for simplified installation and servicing. \u003cspan aria-describedby=\"radix-_r_91_\" data-state=\"delayed-open\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-end=\"350\" data-start=\"88\" data-section-id=\"l0ss0d\"\u003e\n\u003cstrong data-end=\"127\" data-start=\"90\"\u003eAnnual heat exchanger inspection:\u003c\/strong\u003e Check the TCORE2® titanium‑stabilized aluminized steel exchanger for soot, rust or cracks and gently clean surface dust — keeping combustion efficiency high and avoiding overheating. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"571\" data-start=\"351\" data-section-id=\"m7gh5q\"\u003e\n\u003cstrong data-end=\"386\" data-start=\"353\"\u003eBurner \u0026amp; flame assembly care:\u003c\/strong\u003e Remove debris from burner tubes and inspect propane flame for stable, mostly blue color — dirty burners reduce efficiency and can cause sooting. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"769\" data-start=\"572\" data-section-id=\"87o5ny\"\u003e\n\u003cstrong data-end=\"615\" data-start=\"574\"\u003eClear venting \u0026amp; combustion air paths:\u003c\/strong\u003e Ensure power‑vent flue and intake are unobstructed to maintain proper draft and safe exhaust of combustion gases. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"980\" data-start=\"770\" data-section-id=\"1xxymxa\"\u003e\n\u003cstrong data-end=\"808\" data-start=\"772\"\u003eFan, blower \u0026amp; motor maintenance:\u003c\/strong\u003e Clean axial propeller fan and motor housing; check for imbalance, worn bearings or loose set screws to prevent airflow restriction. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1195\" data-start=\"981\" data-section-id=\"zap5sr\"\u003e\n\u003cstrong data-end=\"1016\" data-start=\"983\"\u003eElectrical \u0026amp; ignition checks:\u003c\/strong\u003e Tighten wiring and inspect\/clean direct spark ignitor and flame sensor for reliable starts; use LED diagnostics for early fault detection. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1382\" data-start=\"1196\" data-section-id=\"1b3fu5m\"\u003e\n\u003cstrong data-end=\"1235\" data-start=\"1198\"\u003eInspect gas supply \u0026amp; connections:\u003c\/strong\u003e Check propane line fittings for leaks and proper regulator function — address any issues before operation. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1510\" data-start=\"1383\" data-section-id=\"1awnlqw\"\u003e\n\u003cstrong data-end=\"1409\" data-start=\"1385\"\u003eKeep exterior clean:\u003c\/strong\u003e Remove dust and debris from cabinet, louvers and intake screens to support airflow and efficiency.\u003c\/li\u003e\n\u003cli data-end=\"1683\" data-start=\"1511\" data-section-id=\"17syz3h\"\u003e\n\u003cstrong data-end=\"1554\" data-start=\"1513\"\u003eSchedule annual professional service:\u003c\/strong\u003e A certified HVAC technician should test combustion, safety controls, and temperature rise to ensure safe, efficient performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796332735,"sku":"NUDX125,N1036538R","price":1946.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_7e953ec5-66f5-4fcb-aae5-87347bb460c8.jpg?v=1775897145"},{"product_id":"reznor-udx-45000-btu-propane-unit-heater","title":"Reznor UDX 45,000 BTU Propane Unit Heater - NUDX45,N1036536R","description":"\u003ch2\u003eReznor UDX 45,000 BTU Propane Unit Heater - NUDX45,N1036536R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796365503,"sku":"NUDX45,N1036536R","price":1424.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_ae4db539-d300-45dc-a03b-250c6394d346.jpg?v=1775897147"},{"product_id":"reznor-udx-45000-btu-natural-gas-unit-heater","title":"Reznor UDX 45,000 BTU Natural Gas Unit Heater - NUDX45","description":"\u003ch2\u003eReznor UDX 45,000 BTU Natural Gas Unit Heater - NUDX45\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796398271,"sku":"NUDX45","price":1424.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_db73e3a8-d01e-4a87-9841-a86f91f2877d.jpg?v=1775897150"},{"product_id":"reznor-udx-75000-btu-propane-unit-heater","title":"Reznor UDX 75,000 BTU Propane Unit Heater - NUDX75,N1036537R","description":"\u003ch2\u003eReznor UDX 75,000 BTU Propane Unit Heater - NUDX75,N1036537R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796431039,"sku":"NUDX75,N1036537R","price":1553.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_e3276b35-5b7e-45c4-9c72-3e6c7ecab352.jpg?v=1775897152"},{"product_id":"reznor-udx-400000-btu-natural-gas-unit-heater","title":"Reznor UDX 400,000 BTU Natural Gas Unit Heater - NUDX400","description":"\u003ch2\u003eReznor UDX 400,000 BTU Natural Gas Unit Heater - NUDX400\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796463807,"sku":"NUDX400","price":3224.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_34601d5d-949c-408b-8d88-88027a7a03bc.jpg?v=1775897155"},{"product_id":"reznor-udx-125000-btu-natural-gas-unit-heater","title":"Reznor UDX 125,000 BTU Natural Gas Unit Heater - NUDX125","description":"\u003ch2\u003eReznor UDX 125,000 BTU Natural Gas Unit Heater - NUDX125\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796496575,"sku":"NUDX125","price":1946.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_9c777823-8ba4-4bf8-a1f2-f5ebc698e5a8.jpg?v=1775897158"},{"product_id":"reznor-udx-250000-btu-natural-gas-unit-heater","title":"Reznor UDX 250,000 BTU Natural Gas Unit Heater - NUDX250","description":"\u003ch2\u003eReznor UDX 250,000 BTU Natural Gas Unit Heater - NUDX250\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796529343,"sku":"NUDX250","price":2780.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_136a5d90-75b5-4ef5-a3fd-00c65f466a13.jpg?v=1775897160"},{"product_id":"reznor-udx-60000-btu-propane-unit-heater","title":"Reznor UDX 60,000 BTU Propane Unit Heater - NUDX60,N1036537R","description":"\u003ch2\u003eReznor UDX 60,000 BTU Propane Unit Heater - NUDX60,N1036537R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796562111,"sku":"NUDX60,N1036537R","price":1489.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_672c98e0-33c8-4fb8-8598-cfd3d5128c3b.jpg?v=1775897163"},{"product_id":"reznor-udx-300000-btu-propane-unit-heater","title":"Reznor UDX 300,000 BTU Propane Unit Heater - NUDX300,N1036543R","description":"\u003ch2\u003eReznor UDX 300,000 BTU Propane Unit Heater - NUDX300,N1036543R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796594879,"sku":"NUDX300,N1036543R","price":3289.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_220a3fbb-7166-42a8-9ce0-1e8c902a7fd2.jpg?v=1775897166"},{"product_id":"reznor-udx-200000-btu-natural-gas-unit-heater","title":"Reznor UDX 200,000 BTU Natural Gas Unit Heater - NUDX200","description":"\u003ch2\u003eReznor UDX 200,000 BTU Natural Gas Unit Heater - NUDX200\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796627647,"sku":"NUDX200","price":2419.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_bb04d8c5-a509-439f-8906-f8db06e2dd91.jpg?v=1775897168"},{"product_id":"reznor-udx-400000-btu-propane-unit-heater","title":"Reznor UDX 400,000 BTU Propane Unit Heater - NUDX400,N1036543R","description":"\u003ch2\u003eReznor UDX 400,000 BTU Propane Unit Heater - NUDX400,N1036543R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796660415,"sku":"NUDX400,N1036543R","price":3224.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_6ec81435-c46d-4187-899b-c714f6fc1498.jpg?v=1775897171"},{"product_id":"reznor-udx-350000-btu-propane-unit-heater","title":"Reznor UDX 350,000 BTU Propane Unit Heater - NUDX350,N1036543R","description":"\u003ch2\u003eReznor UDX 350,000 BTU Propane Unit Heater - NUDX350,N1036543R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796693183,"sku":"NUDX350,N1036543R","price":3830.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_6f039956-937c-411c-95d5-d38724b35660.jpg?v=1775897174"},{"product_id":"reznor-udx-175000-btu-propane-unit-heater","title":"Reznor UDX 175,000 BTU Propane Unit Heater - NUDX175,N1036539R","description":"\u003ch2\u003eReznor UDX 175,000 BTU Propane Unit Heater - NUDX175,N1036539R\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"54s1hy\" data-start=\"27\" data-end=\"338\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"70\"\u003eEfficient small‑space propane heating\u003c\/strong\u003e\u003cbr data-start=\"70\" data-end=\"73\"\u003eThe \u003cstrong data-start=\"79\" data-end=\"144\"\u003eReznor UDX 45,000 BTU Propane Unit Heater (NUDX45, N1036536R)\u003c\/strong\u003e delivers \u003cstrong data-start=\"154\" data-end=\"184\" data-is-only-node=\"\"\u003eefficient 45 k BTU heating\u003c\/strong\u003e for \u003cstrong data-start=\"189\" data-end=\"256\"\u003eworkshops, garages, utility rooms, or smaller commercial spaces\u003c\/strong\u003e, offering strong warmth without oversizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10mqow0\" data-start=\"340\" data-end=\"566\"\u003e\n\u003cstrong data-start=\"342\" data-end=\"376\"\u003eSolid efficiency for daily use\u003c\/strong\u003e\u003cbr data-start=\"376\" data-end=\"379\"\u003eWith about \u003cstrong data-start=\"392\" data-end=\"424\"\u003e83 % AFUE thermal efficiency\u003c\/strong\u003e, it strikes a \u003cstrong data-start=\"439\" data-end=\"487\" data-is-only-node=\"\"\u003egood balance of fuel economy and heat output\u003c\/strong\u003e, helping manage propane costs over time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yv62f\" data-start=\"568\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"604\"\u003eDurable commercial‑grade build\u003c\/strong\u003e\u003cbr data-start=\"604\" data-end=\"607\"\u003eFeatures a \u003cstrong data-start=\"620\" data-end=\"683\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for \u003cstrong data-start=\"688\" data-end=\"728\" data-is-only-node=\"\"\u003elong service life under frequent use\u003c\/strong\u003e, ideal for commercial or workshop environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y3gnqa\" data-start=\"816\" data-end=\"1039\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"845\"\u003eQuiet, reliable airflow\u003c\/strong\u003e\u003cbr data-start=\"845\" data-end=\"848\"\u003eThe \u003cstrong data-start=\"854\" data-end=\"899\"\u003eaxial propeller fan and power‑vent design\u003c\/strong\u003e promote effective circulation with \u003cstrong data-start=\"935\" data-end=\"958\" data-is-only-node=\"\"\u003elow noise operation\u003c\/strong\u003e, making it comfortable in busy workspaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wf3p1n\" data-start=\"1041\" data-end=\"1260\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1070\"\u003eService‑friendly design\u003c\/strong\u003e\u003cbr data-start=\"1070\" data-end=\"1073\"\u003ePower‑venting and external gas connection improve installation flexibility, while diagnostic LEDs aid in \u003cstrong data-start=\"1180\" data-end=\"1221\"\u003equick troubleshooting and maintenance\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdnsck\" data-start=\"1262\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1264\" data-end=\"1297\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eCan be \u003cstrong data-start=\"1309\" data-end=\"1341\"\u003eceiling‑mounted or suspended\u003c\/strong\u003e to suit layout needs, and includes options for different venting configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"100\" data-end=\"374\"\u003e\u003cstrong data-start=\"100\" data-end=\"160\"\u003eQ1: What space size is the Reznor UDX45 heater best for?\u003c\/strong\u003e\u003cbr data-start=\"160\" data-end=\"163\"\u003eA: With \u003cstrong data-start=\"171\" data-end=\"220\"\u003e45,000 BTU input and up to ~37,300 BTU output\u003c\/strong\u003e, it’s suited for \u003cstrong data-start=\"238\" data-end=\"299\"\u003esmall to medium garages, workshops, and commercial spaces\u003c\/strong\u003e needing efficient propane heating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"376\" data-end=\"570\"\u003e\u003cstrong data-start=\"376\" data-end=\"419\"\u003eQ2: What fuel type does this model use?\u003c\/strong\u003e\u003cbr data-start=\"419\" data-end=\"422\"\u003eA: It operates on \u003cstrong data-start=\"440\" data-end=\"463\"\u003eliquid propane (LP)\u003c\/strong\u003e using the factory‑specified propane configuration (SKU N1036536R). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"751\"\u003e\u003cstrong data-start=\"572\" data-end=\"607\"\u003eQ3: How efficient is the UDX45?\u003c\/strong\u003e\u003cbr data-start=\"607\" data-end=\"610\"\u003eA: It delivers around \u003cstrong data-start=\"632\" data-end=\"660\"\u003e~82–83 % AFUE efficiency\u003c\/strong\u003e, maximizing heat output with reduced energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"753\" data-end=\"985\"\u003e\u003cstrong data-start=\"753\" data-end=\"811\"\u003eQ4: What durability features does this heater include?\u003c\/strong\u003e\u003cbr data-start=\"811\" data-end=\"814\"\u003eA: It features a \u003cstrong data-start=\"831\" data-end=\"894\"\u003eTCORE2 titanium‑stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long‑term durability and corrosion resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1226\"\u003e\u003cstrong data-start=\"987\" data-end=\"1028\"\u003eQ5: What are airflow and noise specs?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: The unit circulates air with an \u003cstrong data-start=\"1066\" data-end=\"1100\"\u003eaxial propeller fan (~629 CFM)\u003c\/strong\u003e and runs at a \u003cstrong data-start=\"1115\" data-end=\"1144\"\u003elow noise level (~40 dBA)\u003c\/strong\u003e — comfortable for workspace environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1228\" data-end=\"1500\"\u003e\u003cstrong data-start=\"1228\" data-end=\"1273\"\u003eQ6: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1273\" data-end=\"1276\"\u003eA: Yes — the heater includes \u003cstrong data-start=\"1305\" data-end=\"1411\"\u003estatus LED, 7‑segment diagnostic display, multi‑try direct spark ignition, and external gas connection\u003c\/strong\u003e for straightforward service and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1502\" data-end=\"1717\"\u003e\u003cstrong data-start=\"1502\" data-end=\"1559\"\u003eQ7: What are the electrical and venting requirements?\u003c\/strong\u003e\u003cbr data-start=\"1559\" data-end=\"1562\"\u003eA: It runs on \u003cstrong data-start=\"1576\" data-end=\"1613\"\u003e115 V single‑phase power (~2.4 A)\u003c\/strong\u003e and uses a \u003cstrong data-start=\"1625\" data-end=\"1642\"\u003e4″ power vent\u003c\/strong\u003e for safe venting of exhaust gases.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"18bc7od\" data-start=\"89\" data-end=\"239\"\u003e\n\u003cstrong data-start=\"91\" data-end=\"114\"\u003eClean air pathways:\u003c\/strong\u003e Regularly remove dust from the fan, louvers, and intake screen to maintain strong airflow and efficient heat distribution.\u003c\/li\u003e\n\u003cli data-section-id=\"10lg1b7\" data-start=\"240\" data-end=\"374\"\u003e\n\u003cstrong data-start=\"242\" data-end=\"269\"\u003eInspect heat exchanger:\u003c\/strong\u003e Annually check for cracks, corrosion, or soot buildup to ensure safe combustion and long service life.\u003c\/li\u003e\n\u003cli data-section-id=\"6dcssa\" data-start=\"375\" data-end=\"520\"\u003e\n\u003cstrong data-start=\"377\" data-end=\"412\"\u003eTest ignition \u0026amp; propane supply:\u003c\/strong\u003e Verify the direct spark ignition and propane pressure\/connections to prevent misfires and uneven heating.\u003c\/li\u003e\n\u003cli data-section-id=\"18h6axz\" data-start=\"521\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"523\" data-end=\"546\"\u003eKeep venting clear:\u003c\/strong\u003e Make sure the power vent and flue are unobstructed to avoid exhaust buildup and heat loss.\u003c\/li\u003e\n\u003cli data-section-id=\"1ptca2l\" data-start=\"640\" data-end=\"781\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"674\"\u003eCheck electrical components:\u003c\/strong\u003e Inspect wiring, controls, and diagnostic LEDs; tighten loose connections to prevent faults and downtime.\u003c\/li\u003e\n\u003cli data-section-id=\"1lxz13d\" data-start=\"782\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"822\"\u003eVerify conversion kit (N1036536R):\u003c\/strong\u003e Ensure proper installation and calibration for safe propane operation.\u003c\/li\u003e\n\u003cli data-section-id=\"16cv1es\" data-start=\"896\" data-end=\"1026\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"930\"\u003eAnnual professional service:\u003c\/strong\u003e Scheduled servicing helps maintain efficiency, reliable performance, and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796725951,"sku":"NUDX175,N1036539R","price":2332.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_10_15e4191e-3c39-44fd-b1cc-980a010bc909.jpg?v=1775897177"},{"product_id":"reznor-udx-225000-btu-natural-gas-unit-heater","title":"Reznor UDX 225,000 BTU Natural Gas Unit Heater - NUDX225","description":"\u003ch2\u003eReznor UDX 225,000 BTU Natural Gas Unit Heater - NUDX225\u003c\/h2\u003e\n\u003cp\u003eReznor model UDX gas-fired unit heaters are great for space heating applications. These units are power vented to eliminate heat losses up the flue pipe. Each heater features a two-tone black and white powder coated, scratch-resistant paint scheme and has clean rounded corners and edges with no visible screws or fasteners. For air circulation, the UDX series utilize an axial propellor fan.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e83% AFUE Efficiency\u003c\/li\u003e\n\u003cli\u003eTCORE2 titanium stabilized aluminized steel heat exchanger\u003c\/li\u003e\n\u003cli\u003eMulti-try, direct spark ignition with time lockout\u003c\/li\u003e\n\u003cli\u003eVibration\/noise isolated fan and venter motors designed for low noise operation\u003c\/li\u003e\n\u003cli\u003eExternal status indicating LED that blinks if there is a problem that needs service\u003c\/li\u003e\n\u003cli\u003e7-segment display board that shows fault code for quick and easy troubleshooting\u003c\/li\u003e\n\u003cli\u003eOptional integrated downturn nozzle and integrated vertical louvers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"mo4wak\" data-start=\"27\" data-end=\"292\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"66\"\u003eBuilt for serious heating demands\u003c\/strong\u003e\u003cbr data-start=\"66\" data-end=\"69\"\u003eWith \u003cstrong data-start=\"76\" data-end=\"98\"\u003e225,000 BTU output\u003c\/strong\u003e, this unit is engineered for \u003cstrong data-start=\"128\" data-end=\"169\" data-is-only-node=\"\"\u003elarge commercial or industrial spaces\u003c\/strong\u003e like warehouses, workshops, and garages—delivering consistent, high-capacity heat. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1o75xhd\" data-start=\"294\" data-end=\"577\"\u003e\n\u003cstrong data-start=\"296\" data-end=\"348\"\u003eEfficient performance that balances power \u0026amp; cost\u003c\/strong\u003e\u003cbr data-start=\"348\" data-end=\"351\"\u003eOperating at \u003cstrong data-start=\"366\" data-end=\"382\"\u003e~82–83% AFUE\u003c\/strong\u003e, it offers a strong balance between fuel efficiency and high-output heating—ideal for businesses that need reliable warmth without excessive energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gef9f0\" data-start=\"579\" data-end=\"849\"\u003e\n\u003cstrong data-start=\"581\" data-end=\"621\"\u003eDurability you can rely on long-term\u003c\/strong\u003e\u003cbr data-start=\"621\" data-end=\"624\"\u003eThe \u003cstrong data-start=\"630\" data-end=\"693\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e is designed for longevity and resistance to corrosion, making it a dependable investment in demanding environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lka65a\" data-start=\"851\" data-end=\"1125\"\u003e\n\u003cstrong data-start=\"853\" data-end=\"887\"\u003eSmart, service-friendly design\u003c\/strong\u003e\u003cbr data-start=\"887\" data-end=\"890\"\u003eFeatures like a \u003cstrong data-start=\"908\" data-end=\"940\"\u003e7-segment diagnostic display\u003c\/strong\u003e, \u003cstrong data-start=\"942\" data-end=\"967\" data-is-only-node=\"\"\u003eLED status indicators\u003c\/strong\u003e, and \u003cstrong data-start=\"973\" data-end=\"1000\"\u003eexternal gas connection\u003c\/strong\u003e simplify maintenance and troubleshooting—saving time for installers and technicians. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e018ng\" data-start=\"1127\" data-end=\"1360\"\u003e\n\u003cstrong data-start=\"1129\" data-end=\"1165\"\u003eQuiet operation for large spaces\u003c\/strong\u003e\u003cbr data-start=\"1165\" data-end=\"1168\"\u003eDespite its power, the \u003cstrong data-start=\"1193\" data-end=\"1236\"\u003evibration-isolated fan and motor system\u003c\/strong\u003e keeps noise levels relatively low, making it suitable even for occupied work areas. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"146mltp\" data-start=\"1362\" data-end=\"1589\"\u003e\n\u003cstrong data-start=\"1364\" data-end=\"1397\"\u003eFlexible installation options\u003c\/strong\u003e\u003cbr data-start=\"1397\" data-end=\"1400\"\u003eWith \u003cstrong data-start=\"1407\" data-end=\"1424\"\u003epower venting\u003c\/strong\u003e, multiple suspension points, and optional airflow accessories, it adapts easily to different layouts and ventilation setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1y9fjok\" data-start=\"1591\" data-end=\"1792\"\u003e\n\u003cstrong data-start=\"1593\" data-end=\"1628\"\u003eStrong air circulation coverage\u003c\/strong\u003e\u003cbr data-start=\"1628\" data-end=\"1631\"\u003eHigh airflow and long air throw (up to ~90 ft) ensure heat is distributed evenly across wide areas—reducing cold spots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"102\" data-end=\"312\"\u003e\u003cstrong data-start=\"102\" data-end=\"159\"\u003eQ: What is the heating capacity of the Reznor UDX225?\u003c\/strong\u003e\u003cbr data-start=\"159\" data-end=\"162\"\u003eA: It delivers \u003cstrong data-start=\"177\" data-end=\"192\"\u003e225,000 BTU\u003c\/strong\u003e of powerful heating, ideal for large garages, workshops, and commercial spaces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"314\" data-end=\"503\"\u003e\u003cstrong data-start=\"314\" data-end=\"372\"\u003eQ: What efficiency rating does this unit heater offer?\u003c\/strong\u003e\u003cbr data-start=\"372\" data-end=\"375\"\u003eA: The UDX225 operates at \u003cstrong data-start=\"401\" data-end=\"433\"\u003eup to 82–83% AFUE efficiency\u003c\/strong\u003e, helping reduce energy costs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"505\" data-end=\"685\"\u003e\u003cstrong data-start=\"505\" data-end=\"551\"\u003eQ: What type of fuel does the NUDX225 use?\u003c\/strong\u003e\u003cbr data-start=\"551\" data-end=\"554\"\u003eA: This model runs on \u003cstrong data-start=\"576\" data-end=\"591\"\u003enatural gas\u003c\/strong\u003e and can be converted to propane with an optional kit. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"687\" data-end=\"864\"\u003e\u003cstrong data-start=\"687\" data-end=\"728\"\u003eQ: Is the Reznor UDX225 power vented?\u003c\/strong\u003e\u003cbr data-start=\"728\" data-end=\"731\"\u003eA: Yes, it features \u003cstrong data-start=\"751\" data-end=\"768\"\u003epower venting\u003c\/strong\u003e, minimizing heat loss and improving overall efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"866\" data-end=\"1060\"\u003e\u003cstrong data-start=\"866\" data-end=\"911\"\u003eQ: What makes the heat exchanger durable?\u003c\/strong\u003e\u003cbr data-start=\"911\" data-end=\"914\"\u003eA: It uses a \u003cstrong data-start=\"927\" data-end=\"990\"\u003eTCORE2 titanium-stabilized aluminized steel heat exchanger\u003c\/strong\u003e for long-lasting performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1062\" data-end=\"1235\"\u003e\u003cstrong data-start=\"1062\" data-end=\"1099\"\u003eQ: How quiet is this unit heater?\u003c\/strong\u003e\u003cbr data-start=\"1099\" data-end=\"1102\"\u003eA: Designed with \u003cstrong data-start=\"1119\" data-end=\"1148\"\u003evibration-isolated motors\u003c\/strong\u003e, it provides \u003cstrong data-start=\"1162\" data-end=\"1194\"\u003elow-noise operation (~52 dB)\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1237\" data-end=\"1450\"\u003e\u003cstrong data-start=\"1237\" data-end=\"1281\"\u003eQ: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1281\" data-end=\"1284\"\u003eA: Yes, it includes \u003cstrong data-start=\"1304\" data-end=\"1380\"\u003eexternal gas connections, suspension options, and diagnostic LED display\u003c\/strong\u003e for easy setup and servicing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1452\" data-end=\"1663\"\u003e\u003cstrong data-start=\"1452\" data-end=\"1501\"\u003eQ: What applications is this heater best for?\u003c\/strong\u003e\u003cbr data-start=\"1501\" data-end=\"1504\"\u003eA: Ideal for \u003cstrong data-start=\"1517\" data-end=\"1584\"\u003ecommercial buildings, warehouses, and large residential garages\u003c\/strong\u003e needing reliable, high-output heating.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"29mk8z\" data-start=\"81\" data-end=\"236\"\u003e\n\u003cstrong data-start=\"83\" data-end=\"117\"\u003eClean heat exchanger annually:\u003c\/strong\u003e Prevent dust\/carbon buildup to maintain ~83% efficiency and avoid overheating. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ni3ukv\" data-start=\"237\" data-end=\"402\"\u003e\n\u003cstrong data-start=\"239\" data-end=\"276\"\u003eInspect burner \u0026amp; ignition system:\u003c\/strong\u003e Check direct spark ignition and flame sensor for reliable startup and safe operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qistkf\" data-start=\"403\" data-end=\"548\"\u003e\n\u003cstrong data-start=\"405\" data-end=\"430\"\u003eCheck venting \u0026amp; flue:\u003c\/strong\u003e Ensure power-vent system is clear to prevent heat loss and exhaust blockages. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7b3kiv\" data-start=\"549\" data-end=\"707\"\u003e\n\u003cstrong data-start=\"551\" data-end=\"585\"\u003eLubricate \u0026amp; inspect fan motor:\u003c\/strong\u003e Keep axial fan and vibration-isolated motors running smoothly for proper airflow. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nudmwm\" data-start=\"708\" data-end=\"859\"\u003e\n\u003cstrong data-start=\"710\" data-end=\"751\"\u003eTighten gas \u0026amp; electrical connections:\u003c\/strong\u003e External gas connections and wiring should be leak-free and secure. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1hlx20o\" data-start=\"860\" data-end=\"997\"\u003e\n\u003cstrong data-start=\"862\" data-end=\"890\"\u003eMonitor LED diagnostics:\u003c\/strong\u003e Use onboard display for early fault detection and troubleshooting. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"36hed0\" data-start=\"998\" data-end=\"1102\"\u003e\n\u003cstrong data-start=\"1000\" data-end=\"1038\"\u003eReplace filters \/ keep unit clean:\u003c\/strong\u003e Prevent airflow restriction and maintain heating performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1v273yj\" data-start=\"1103\" data-end=\"1235\"\u003e\n\u003cstrong data-start=\"1105\" data-end=\"1148\"\u003eSchedule professional servicing yearly:\u003c\/strong\u003e Ensures safety, efficiency, and extends heat exchanger life (key long-term component).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Reznor","offers":[{"title":"Default Title","offer_id":45483796758719,"sku":"NUDX225","price":2682.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/udx-1_d0bb7256-2f08-49ee-a47b-6ed7269de636.jpg?v=1775897180"}],"url":"https:\/\/backyardprovider.com\/collections\/reznor-1.oembed","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}