{"product_id":"modine-commercial-workspace-heater-350k-btudirect-spark-ignitionlpsingle-stage","title":"Modine Commercial Workspace Heater - 350K BTU\/Direct Spark Ignition\/LP\/Single Stage w\/Stainless Steel Heat Exchanger - PTP350SS0121","description":"\u003ch2\u003eModine Commercial Workspace Heater - 350K BTU\/Direct Spark Ignition\/LP\/Single Stage w\/Stainless Steel Heat Exchanger - PTP350SS0121\u003c\/h2\u003e\n\u003ch5\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eThe ideal solution for heating a commercial workspace like a warehouse or workshop or studios\u003c\/li\u003e\n\u003cli\u003eThe\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e \u003ca href=\"https:\/\/thetradetable.com\/products\/modine-commercial-effinity-heater-85k-btuhigh-efficiency-condensingdirect-spark\" style=\"color: rgb(0, 0, 0);\"\u003estainless steel heat exchanger\u003c\/a\u003e is standard on all units, extending the life of your investment\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBent tube, low-profile design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eEnclosed fan motors and all controls mounted inside the cabinet for protection from airborne moisture and dust\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e10-year heat exchanger warranty, even in \u003ca href=\"\/collections\/greenhouse\" title=\"Shop greenhouses | the trade table\" aria-label=\"Shop greenhouses | the trade table\" style=\"color: rgb(0, 0, 0);\"\u003egreenhouse applications\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eQuick and easy installations with wiring terminals and knockouts for quick access to gas and electricity, and a roomy controls cabinet for ease of work\u003c\/li\u003e\n\u003cli\u003eStandard power exhaust simplifies side-wall or roof venting with a small diameter vent pipe\u003c\/li\u003e\n\u003cli\u003ePermanently-lubricated motor for trouble-free dependability\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eDraws combustion air from inside the workspace\u003c\/li\u003e\n\u003cli\u003e6\" vent connection\u003c\/li\u003e\n\u003cli\u003e\\n\u003c\/li\u003e\n\u003cli\u003eLiquid Propane\u003c\/li\u003e\n\u003cli\u003e\\n\u003c\/li\u003e\n\u003cli\u003e350,000 BTU\u003c\/li\u003e\n\u003cli\u003e\\n\u003c\/li\u003e\n\u003cli\u003eDirect spark ignition\u003c\/li\u003e\n\u003cli\u003e\\n\u003c\/li\u003e\n\u003cli\u003eSingle stage - on\/off operation\u003c\/li\u003e\n\u003cli\u003e\\n\u003c\/li\u003e\n\u003cli\u003eStainless steel heat exchanger\u003c\/li\u003e\n\u003cli\u003e\\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\\n\u003c\/p\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"20\" data-end=\"134\"\u003e\n\u003cp data-start=\"22\" data-end=\"134\"\u003e\u003cstrong data-start=\"22\" data-end=\"45\"\u003e350,000 BTU Output:\u003c\/strong\u003e Delivers high-capacity heating for large commercial, industrial, and warehouse spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"135\" data-end=\"222\"\u003e\n\u003cp data-start=\"137\" data-end=\"222\"\u003e\u003cstrong data-start=\"137\" data-end=\"163\"\u003eDirect Spark Ignition:\u003c\/strong\u003e Reliable and efficient startup for consistent operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"223\" data-end=\"331\"\u003e\n\u003cp data-start=\"225\" data-end=\"331\"\u003e\u003cstrong data-start=\"225\" data-end=\"260\"\u003eStainless Steel Heat Exchanger:\u003c\/strong\u003e Durable, corrosion-resistant construction for long-term performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"332\" data-end=\"431\"\u003e\n\u003cp data-start=\"334\" data-end=\"431\"\u003e\u003cstrong data-start=\"334\" data-end=\"363\"\u003eLiquid Propane (LP) Fuel:\u003c\/strong\u003e Optimized for propane to ensure efficient and consistent heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"432\" data-end=\"529\"\u003e\n\u003cp data-start=\"434\" data-end=\"529\"\u003e\u003cstrong data-start=\"434\" data-end=\"461\"\u003eSingle-Stage Operation:\u003c\/strong\u003e Provides steady heat output for general commercial heating needs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"530\" data-end=\"634\"\u003e\n\u003cp data-start=\"532\" data-end=\"634\"\u003e\u003cstrong data-start=\"532\" data-end=\"562\"\u003eHigh Airflow Distribution:\u003c\/strong\u003e Engineered to deliver even heat coverage across expansive work areas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"101\" data-end=\"274\"\u003e\u003cstrong data-start=\"101\" data-end=\"107\"\u003eQ:\u003c\/strong\u003e What is the Modine PTP350SS0121?\u003cbr data-start=\"140\" data-end=\"143\"\u003e\u003cstrong data-start=\"143\" data-end=\"149\"\u003eA:\u003c\/strong\u003e A commercial workspace heater delivering 350,000 BTU with a stainless steel heat exchanger for durable, efficient heating.\u003c\/p\u003e\n\u003cp data-start=\"276\" data-end=\"426\"\u003e\u003cstrong data-start=\"276\" data-end=\"282\"\u003eQ:\u003c\/strong\u003e What fuel and ignition does it use?\u003cbr data-start=\"318\" data-end=\"321\"\u003e\u003cstrong data-start=\"321\" data-end=\"327\"\u003eA:\u003c\/strong\u003e Liquid propane (LP) with direct spark ignition for reliable startups and consistent performance.\u003c\/p\u003e\n\u003cp data-start=\"428\" data-end=\"597\"\u003e\u003cstrong data-start=\"428\" data-end=\"434\"\u003eQ:\u003c\/strong\u003e What type of heat exchanger is included?\u003cbr data-start=\"475\" data-end=\"478\"\u003e\u003cstrong data-start=\"478\" data-end=\"484\"\u003eA:\u003c\/strong\u003e Stainless steel heat exchanger for corrosion resistance and long‑lasting durability in demanding environments.\u003c\/p\u003e\n\u003cp data-start=\"599\" data-end=\"753\"\u003e\u003cstrong data-start=\"599\" data-end=\"605\"\u003eQ:\u003c\/strong\u003e Where is it designed to perform?\u003cbr data-start=\"638\" data-end=\"641\"\u003e\u003cstrong data-start=\"641\" data-end=\"647\"\u003eA:\u003c\/strong\u003e Ideal for large commercial and industrial spaces like warehouses, workshops, service bays, and garages.\u003c\/p\u003e\n\u003cp data-start=\"755\" data-end=\"921\"\u003e\u003cstrong data-start=\"755\" data-end=\"761\"\u003eQ:\u003c\/strong\u003e Why choose it?\u003cbr data-start=\"776\" data-end=\"779\"\u003e\u003cstrong data-start=\"779\" data-end=\"785\"\u003eA:\u003c\/strong\u003e Combines high BTU output, rugged stainless steel construction, and efficient propane heating for powerful, professional‑grade warmth.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"219\" data-end=\"308\"\u003e\n\u003cp data-start=\"221\" data-end=\"308\"\u003eClean the stainless steel heat exchanger and burner regularly to maintain efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"309\" data-end=\"404\"\u003e\n\u003cp data-start=\"311\" data-end=\"404\"\u003eInspect propane connections and ignition system periodically for leaks or proper operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"405\" data-end=\"474\"\u003e\n\u003cp data-start=\"407\" data-end=\"474\"\u003eKeep the surrounding area free of dust, debris, and obstructions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"475\" data-end=\"553\"\u003e\n\u003cp data-start=\"477\" data-end=\"553\"\u003eTest safety controls periodically to ensure safe and reliable performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"554\" data-end=\"631\"\u003e\n\u003cp data-start=\"556\" data-end=\"631\"\u003eSchedule annual professional servicing for peak efficiency and longevity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"632\" data-end=\"710\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"634\" data-end=\"710\" data-is-last-node=\"\"\u003eFollow manufacturer guidelines for installation, operation, and maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Modine","offers":[{"title":"Default Title","offer_id":45468045541567,"sku":"PTP350SS0121","price":3962.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/modine-commercial-workspace-heater-350k-btudirect-spark-ignitionlpsingle-stage-wstainless-992.webp?v=1775545263","url":"https:\/\/backyardprovider.com\/products\/modine-commercial-workspace-heater-350k-btudirect-spark-ignitionlpsingle-stage","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}