{"product_id":"scratch-dent-builder-series-6-5-gpm-indoor-natural-gas-tankless-water-heater","title":"Eccotemp Scratch \u0026 Dent - Builder Series 6.5 GPM Indoor Natural Gas Tankless Water Heater - 1779607510022_702","description":"\u003ch2\u003eEccotemp Scratch \u0026amp; Dent - Builder Series 6.5 GPM Indoor Natural Gas Tankless Water Heater - 1779607510022_702\u003c\/h2\u003e\n\u003cp\u003eThe Eccotemp 6.5 GPM Indoor Natural Gas Tankless Water Heater (6.5GB-ING) is the second largest capacity model in the Builder Series. CSA approved and rated at an impressive 6.5 GPM with a temperature rise of 45 degrees. This tankless water heater is rated at  170,000 BTU and can produce unlimited hot water for 3-4 applications simultaneously. Eccotemp’s advanced 0.66 GPM low flow ignition technology allows users to enjoy endless hot water without experiencing cold spots.\u003cbr\u003e\u003cbr\u003eWe recommend the 6.5 GPM Indoor Natural Gas Tankless Water Heater (6.5GB-ING) for large, medium, and small size single family homes, townhomes, condos, cabins, as well as smaller commercial applications and home builders. With our upgraded product control board performance and an all-new gas modulating valve, consumers can experience best in class temperature performance that is budget friendly.\u003cbr\u003e\u003cbr\u003eThe space saving wall mounted Eccotemp 6.5GB-ING has a 110\/120-volt UL listed power cord that powers the internal exhaust fan, anti-Freeze protection and product control board. With its fully automated control system, the Eccotemp 6.5GB-ING pulls less than 0.6 amps during operation, making it ideal for low energy consumption and efficiency.\u003cbr\u003e\u003cbr\u003eThe Eccotemp 6.5GB-ING has been CSA tested and approved for US \u0026amp; Canadian use at elevations up to 2000 feet. Installation and use of the Eccotemp 6.5GB-ING above 2000 feet may affect overall product efficiency and performance.\u003cbr\u003e\u003cbr\u003eIMPORTANT NOTE: Cannot be used for HYDRONIC SYSTEMS, RECIRCULATING, or FLOOR HEATING.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan dir=\"ltr\" class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\"\u003eAll purchases valued at $75 or above will be shipped with SIGNATURE REQUIRED. If you wish to remove the SIGNATURE REQUIRED please contact Customer Service. Please Note: By opting out of SIGNATURE REQUIRED, you release Eccotemp from all liability of lost or stolen packages. \u003c\/span\u003eCall 1-866-356-1992 or chat with us to speak with a customer service agent.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eFeatures                    \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eRated for 3-4 applications means enjoying on-demand hot showers for up to 3 bathrooms simultaneously\u003c\/li\u003e\n\u003cli\u003eRated at 6.5 GPM (gallons per minute) at 170,000 BTUs with a temperature rise of 45 degrees, this ultra-efficient tankless hot water heater is the second largest capacity model in the Eccotemp Builder Series and ideal for just about every size single-family home, townhome, condo, cabin, apartment, or light commercial use in the US and Canada\u003c\/li\u003e\n\u003cli\u003eCSA certified for installation in the US and Canada. This tankless water heater meets and exceeds all safety and efficiency requirements according to the DOE\u003c\/li\u003e\n\u003cli\u003eAdvanced Generation 3 Computer board with high performance processing and smart adjust technology built in. Our proprietary developed programming meets and exceeds today’s consumer demands\u003c\/li\u003e\n\u003cli\u003eWith advanced incoming and outgoing water temperature sensor technology, you always have total confidence when it comes to safety\u003c\/li\u003e\n\u003cli\u003eThe 6.5GB Builder Series is designed for indoor installation only and requires 3-inch venting. Make installation a breeze using the Eccotemp 3\" Horizontal Vent Kit or 3” Vertical Vent Kit (purchased separately).\u003c\/li\u003e\n\u003cli\u003e10-Year limited manufacturer warranty (heat element: 10-years, Parts: five years), live chat, appointments for product support, and self-help guides will give you peace of mind that the Eccotemp 6.5GB-ING  will keep you in hot water for years\u003c\/li\u003e\n\u003cli\u003eWhat's Included: Eccotemp 6.5 GPM Indoor Natural Gas Tankless Water Heater (6.5GB-ING), mounting hardware, gas appliance shut off valve, and product manual\u003c\/li\u003e\n\u003cli\u003eThe Eccotemp 6.5GB-ING  can be complemented with our patented, one of a kind EZ-Flush Descaling Kit to ensure your tankless water heater is running at maximum efficiency all year long\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:6fb6eb51-4e8a-4434-a7aa-12311b76818d-32\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:6fb6eb51-4e8a-4434-a7aa-12311b76818d-32\" data-turn-id-container=\"request-WEB:6fb6eb51-4e8a-4434-a7aa-12311b76818d-32\" data-testid=\"conversation-turn-36\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"60c560a5-7b03-451d-bd46-81ffeb06d04b\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"28\" data-end=\"2075\"\u003e\n\u003cli data-section-id=\"1t5la57\" data-start=\"28\" data-end=\"343\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"71\"\u003eHigh-capacity indoor hot water system\u003c\/strong\u003e: The Eccotemp Builder Series Scratch \u0026amp; Dent 6.5 GPM Indoor Natural Gas Tankless Water Heater (SKU: 1779607510022_702) is a \u003cstrong data-start=\"195\" data-end=\"265\"\u003ewhole-home indoor unit designed for continuous on-demand hot water\u003c\/strong\u003e with strong multi-fixture capability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cz9p4d\" data-start=\"344\" data-end=\"579\"\u003e\n\u003cstrong data-start=\"346\" data-end=\"395\"\u003eStrong performance output (170,000 BTU class)\u003c\/strong\u003e: Delivers up to \u003cstrong data-start=\"412\" data-end=\"453\"\u003e6.5 GPM with a ~45°F temperature rise\u003c\/strong\u003e, enabling simultaneous use across multiple showers and sinks in typical family homes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"pv7gl0\" data-start=\"580\" data-end=\"816\"\u003e\n\u003cstrong data-start=\"582\" data-end=\"620\"\u003eDesigned for medium-to-large homes\u003c\/strong\u003e: Suitable for \u003cstrong data-start=\"635\" data-end=\"704\"\u003etownhomes, single-family houses, cabins, and light commercial use\u003c\/strong\u003e, supporting up to ~3–4 concurrent applications depending on conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1aarv58\" data-start=\"817\" data-end=\"1038\"\u003e\n\u003cstrong data-start=\"819\" data-end=\"853\"\u003eEnergy-efficient indoor design\u003c\/strong\u003e: Wall-mounted unit uses low electrical draw (~0.6 amps operation) with integrated fan and control board for efficient combustion and regulation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"u574ja\" data-start=\"1039\" data-end=\"1278\"\u003e\n\u003cstrong data-start=\"1041\" data-end=\"1084\"\u003eSmart modulation for stable temperature\u003c\/strong\u003e: Advanced control board and gas modulation system help maintain more consistent output temperature and reduce hot\/cold fluctuation during demand changes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cfe99q\" data-start=\"1279\" data-end=\"1538\"\u003e\n\u003cstrong data-start=\"1281\" data-end=\"1317\"\u003eScratch \u0026amp; dent value positioning\u003c\/strong\u003e: Fully tested for working condition but may include cosmetic imperfections or missing minor accessories, offering \u003cstrong data-start=\"1432\" data-end=\"1497\"\u003ecost savings over new units while retaining warranty coverage\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"s25hmh\" data-start=\"1539\" data-end=\"1720\"\u003e\n\u003cstrong data-start=\"1541\" data-end=\"1582\"\u003eTrade-off: indoor venting requirement\u003c\/strong\u003e: Requires proper 3-inch venting setup, adding installation complexity compared to outdoor models. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"442qrn\" data-start=\"1721\" data-end=\"1904\"\u003e\n\u003cstrong data-start=\"1723\" data-end=\"1774\"\u003eTrade-off: not system-compatible with hydronics\u003c\/strong\u003e: Not suitable for floor heating or recirculating systems, limiting specialized use cases. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1to9yv8\" data-start=\"1905\" data-end=\"2075\"\u003e\n\u003cstrong data-start=\"1907\" data-end=\"1928\"\u003eBest fit use case\u003c\/strong\u003e: Ideal for buyers wanting a \u003cstrong data-start=\"1957\" data-end=\"2074\"\u003ebudget-friendly, high-flow indoor tankless heater for full-home hot water supply with acceptable cosmetic defects\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A  \u003c\/h5\u003e\n\u003cp data-start=\"115\" data-end=\"382\"\u003e\u003cstrong data-start=\"115\" data-end=\"164\"\u003eQ: What is this Eccotemp 6.5 GPM indoor unit?\u003c\/strong\u003e\u003cbr data-start=\"164\" data-end=\"167\"\u003eA: It is a \u003cstrong data-start=\"178\" data-end=\"236\"\u003ehigh-capacity indoor natural gas tankless water heater\u003c\/strong\u003e designed for whole-home use, delivering \u003cstrong data-start=\"277\" data-end=\"311\"\u003econtinuous on-demand hot water\u003c\/strong\u003e for multiple fixtures at once. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"384\" data-end=\"615\"\u003e\u003cstrong data-start=\"384\" data-end=\"414\"\u003eQ: What does 6.5 GPM mean?\u003c\/strong\u003e\u003cbr data-start=\"414\" data-end=\"417\"\u003eA: It means the unit can supply up to \u003cstrong data-start=\"455\" data-end=\"494\"\u003e6.5 gallons of hot water per minute\u003c\/strong\u003e, supporting about \u003cstrong data-start=\"513\" data-end=\"538\"\u003e3–4 simultaneous uses\u003c\/strong\u003e like showers, sinks, and appliances. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"617\" data-end=\"807\"\u003e\u003cstrong data-start=\"617\" data-end=\"650\"\u003eQ: What is its heating power?\u003c\/strong\u003e\u003cbr data-start=\"650\" data-end=\"653\"\u003eA: It is rated at up to \u003cstrong data-start=\"677\" data-end=\"692\"\u003e170,000 BTU\u003c\/strong\u003e, allowing strong and stable heating performance for medium to large homes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"809\" data-end=\"1068\"\u003e\u003cstrong data-start=\"809\" data-end=\"863\"\u003eQ: What makes it suitable for indoor installation?\u003c\/strong\u003e\u003cbr data-start=\"863\" data-end=\"866\"\u003eA: It includes a \u003cstrong data-start=\"883\" data-end=\"962\"\u003ebuilt-in exhaust fan, electronic control board, and requires 3-inch venting\u003c\/strong\u003e, designed specifically for safe indoor wall-mounted installation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1070\" data-end=\"1333\"\u003e\u003cstrong data-start=\"1070\" data-end=\"1109\"\u003eQ: What does “Scratch \u0026amp; Dent” mean?\u003c\/strong\u003e\u003cbr data-start=\"1109\" data-end=\"1112\"\u003eA: It means the unit is \u003cstrong data-start=\"1136\" data-end=\"1177\"\u003efully tested and functionally working\u003c\/strong\u003e, but may have \u003cstrong data-start=\"1192\" data-end=\"1267\"\u003ecosmetic imperfections, missing minor accessories, or refurbished parts\u003c\/strong\u003e, sold at a reduced price. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1335\" data-end=\"1556\"\u003e\u003cstrong data-start=\"1335\" data-end=\"1371\"\u003eQ: Is it efficient for home use?\u003c\/strong\u003e\u003cbr data-start=\"1371\" data-end=\"1374\"\u003eA: Yes. It uses a \u003cstrong data-start=\"1392\" data-end=\"1449\"\u003emodulating gas valve and low-flow ignition technology\u003c\/strong\u003e, helping maintain stable temperatures while reducing energy waste. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1558\" data-end=\"1788\"\u003e\u003cstrong data-start=\"1558\" data-end=\"1599\"\u003eQ: What type of homes is it best for?\u003c\/strong\u003e\u003cbr data-start=\"1599\" data-end=\"1602\"\u003eA: It is suitable for \u003cstrong data-start=\"1624\" data-end=\"1701\"\u003esingle-family homes, townhouses, condos, cabins, and light commercial use\u003c\/strong\u003e needing reliable multi-point hot water supply.\u003c\/p\u003e\n\u003ch5\u003e                 \u003cbr\u003eMaintenance Tips                \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1o7h50v\" data-start=\"114\" data-end=\"281\"\u003e\n\u003cstrong data-start=\"116\" data-end=\"145\"\u003eDescale every 6–12 months\u003c\/strong\u003e using a flush kit to prevent mineral buildup in the heat exchanger and maintain flow efficiency \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jo6b7b\" data-start=\"282\" data-end=\"376\"\u003e\n\u003cstrong data-start=\"284\" data-end=\"322\"\u003eClean inlet water filter regularly\u003c\/strong\u003e to avoid low flow, ignition issues, and error codes\u003c\/li\u003e\n\u003cli data-section-id=\"1jui6sp\" data-start=\"377\" data-end=\"490\"\u003e\n\u003cstrong data-start=\"379\" data-end=\"412\"\u003eInspect 3\" indoor vent system\u003c\/strong\u003e for blockages, loose joints, or dust buildup to ensure safe exhaust airflow\u003c\/li\u003e\n\u003cli data-section-id=\"1umk4pe\" data-start=\"491\" data-end=\"609\"\u003e\n\u003cstrong data-start=\"493\" data-end=\"531\"\u003eCheck gas line \u0026amp; water connections\u003c\/strong\u003e for leaks, corrosion, or pressure inconsistencies before peak usage seasons\u003c\/li\u003e\n\u003cli data-section-id=\"1kk5yez\" data-start=\"610\" data-end=\"695\"\u003e\n\u003cstrong data-start=\"612\" data-end=\"645\"\u003eKeep temperature around 120°F\u003c\/strong\u003e to reduce scaling and improve energy efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"t5qaek\" data-start=\"696\" data-end=\"812\"\u003e\n\u003cstrong data-start=\"698\" data-end=\"731\"\u003eTest safety features annually\u003c\/strong\u003e (flame sensor, anti-freeze system, error code response) for reliable operation\u003c\/li\u003e\n\u003cli data-section-id=\"1vcfcq5\" data-start=\"813\" data-end=\"958\"\u003e\n\u003cstrong data-start=\"815\" data-end=\"859\"\u003eFlush before winter or heavy-use periods\u003c\/strong\u003e if water hardness is high (hard water accelerates scaling) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"z6j77o\" data-start=\"959\" data-end=\"1081\"\u003e\n\u003cstrong data-start=\"961\" data-end=\"1020\"\u003eEnsure proper flow rate (≥0.5 GPM activation threshold)\u003c\/strong\u003e by cleaning shower heads and aerators if performance drops\u003c\/li\u003e\n\u003cli data-section-id=\"m0rez7\" data-start=\"1082\" data-end=\"1198\"\u003e\n\u003cstrong data-start=\"1084\" data-end=\"1127\"\u003eSchedule yearly professional inspection\u003c\/strong\u003e for burner, gas pressure calibration, and internal safety components\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eccotemp","offers":[{"title":"Default Title","offer_id":45657757778111,"sku":"SKU_1779607510022_702","price":474.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/6-5-gb-natural-gas-tankless-water-heater-1__65022.1727286223.jpg?v=1779608740","url":"https:\/\/backyardprovider.com\/products\/scratch-dent-builder-series-6-5-gpm-indoor-natural-gas-tankless-water-heater","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}