{"product_id":"modine-dawg-garage-heater-125k-btudirect-spark-ignitionlpsingle-stage","title":"Modine Hot Dawg Garage Heater - 125K BTU\/Direct Spark Ignition\/LP\/Single Stage w\/Aluminized Steel Heat Exchanger - HD125AS0121","description":"\u003ch2\u003eModine Hot Dawg Garage Heater - 125K BTU\/Direct Spark Ignition\/LP\/Single Stage w\/Aluminized Steel Heat Exchanger - HD125AS0121\u003c\/h2\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eLow profile, lightweight design easily installs 1” from ceiling with only two angle brackets (sold separately)\u003c\/li\u003e\n\u003cli\u003eField fuel conversion kits available\u003c\/li\u003e\n\u003cli\u003eFinger-proof fan guards on all units\u003c\/li\u003e\n\u003cli\u003eReduce the need for maintenance with the permanently lubricated motor\u003c\/li\u003e\n\u003cli\u003e100% shut-off with continuous retry to allow for safe ignition in the event the unit doesn’t light on the first try\u003c\/li\u003e\n\u003cli\u003ePower vented model simplifies side-wall or roof venting with small-diameter vent pipe\u003c\/li\u003e\n\u003cli\u003eDraws combustion air from inside the workspace\u003c\/li\u003e\n\u003cli\u003e4\" vent connection\u003c\/li\u003e\n\u003cli\u003eLiquid Propane\u003c\/li\u003e\n\u003cli\u003e125,000 BTU\u003c\/li\u003e\n\u003cli\u003eDirect spark ignition\u003c\/li\u003e\n\u003cli\u003eSingle stage - on\/off operation\u003c\/li\u003e\n\u003cli\u003eAluminized steel heat exchanger\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-0lax{text-align:left;vertical-align:top}\n\u003c\/style\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-0lax\"\u003eFuel Type\u003c\/th\u003e\n\u003cth class=\"tg-0lax\"\u003ePropane\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-0lax\"\u003eControl Type\u003c\/td\u003e\n\u003ctd class=\"tg-0lax\"\u003eElectronic \/ IPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-0lax\"\u003eColor \/ Finish\u003c\/td\u003e\n\u003ctd class=\"tg-0lax\"\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-0lax\"\u003eOverall Size\u003c\/td\u003e\n\u003ctd class=\"tg-0lax\"\u003e35.5\" W × 20.5\" H × 31\" D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"20\" data-end=\"124\"\u003e\n\u003cp data-start=\"22\" data-end=\"124\"\u003e\u003cstrong data-start=\"22\" data-end=\"45\"\u003e125,000 BTU Output:\u003c\/strong\u003e Provides powerful heating for larger garages, workshops, and utility spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"125\" data-end=\"225\"\u003e\n\u003cp data-start=\"127\" data-end=\"225\"\u003e\u003cstrong data-start=\"127\" data-end=\"153\"\u003eDirect Spark Ignition:\u003c\/strong\u003e Reliable and efficient ignition for consistent startup and operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"226\" data-end=\"326\"\u003e\n\u003cp data-start=\"228\" data-end=\"326\"\u003e\u003cstrong data-start=\"228\" data-end=\"264\"\u003eAluminized Steel Heat Exchanger:\u003c\/strong\u003e Durable construction designed for long-lasting performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"327\" data-end=\"412\"\u003e\n\u003cp data-start=\"329\" data-end=\"412\"\u003e\u003cstrong data-start=\"329\" data-end=\"358\"\u003eLiquid Propane (LP) Fuel:\u003c\/strong\u003e Optimized for propane to deliver efficient heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"413\" data-end=\"507\"\u003e\n\u003cp data-start=\"415\" data-end=\"507\"\u003e\u003cstrong data-start=\"415\" data-end=\"442\"\u003eSingle-Stage Operation:\u003c\/strong\u003e Steady, straightforward heat output suitable for everyday use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"508\" data-end=\"619\"\u003e\n\u003cp data-start=\"510\" data-end=\"619\"\u003e\u003cstrong data-start=\"510\" data-end=\"538\"\u003eCommercial-Grade Design:\u003c\/strong\u003e Built for rugged use with effective airflow distribution throughout the space.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"95\" data-end=\"266\"\u003e\u003cstrong data-start=\"95\" data-end=\"101\"\u003eQ:\u003c\/strong\u003e What is the Modine HD125AS0121?\u003cbr data-start=\"133\" data-end=\"136\"\u003e\u003cstrong data-start=\"136\" data-end=\"142\"\u003eA:\u003c\/strong\u003e A 125,000 BTU liquid propane (LP) garage heater designed for powerful, efficient heating in larger garages and workshops.\u003c\/p\u003e\n\u003cp data-start=\"268\" data-end=\"402\"\u003e\u003cstrong data-start=\"268\" data-end=\"274\"\u003eQ:\u003c\/strong\u003e What fuel and ignition does it use?\u003cbr data-start=\"310\" data-end=\"313\"\u003e\u003cstrong data-start=\"313\" data-end=\"319\"\u003eA:\u003c\/strong\u003e Uses LP with direct spark ignition for reliable starts and consistent operation.\u003c\/p\u003e\n\u003cp data-start=\"404\" data-end=\"540\"\u003e\u003cstrong data-start=\"404\" data-end=\"410\"\u003eQ:\u003c\/strong\u003e What type of heat exchanger does it have?\u003cbr data-start=\"452\" data-end=\"455\"\u003e\u003cstrong data-start=\"455\" data-end=\"461\"\u003eA:\u003c\/strong\u003e Aluminized steel heat exchanger for durability and long‑lasting performance.\u003c\/p\u003e\n\u003cp data-start=\"542\" data-end=\"658\"\u003e\u003cstrong data-start=\"542\" data-end=\"548\"\u003eQ:\u003c\/strong\u003e Where is it ideal?\u003cbr data-start=\"567\" data-end=\"570\"\u003e\u003cstrong data-start=\"570\" data-end=\"576\"\u003eA:\u003c\/strong\u003e Perfect for heating large garages, workshops, service bays, and similar spaces.\u003c\/p\u003e\n\u003cp data-start=\"660\" data-end=\"802\"\u003e\u003cstrong data-start=\"660\" data-end=\"666\"\u003eQ:\u003c\/strong\u003e Why choose it?\u003cbr data-start=\"681\" data-end=\"684\"\u003e\u003cstrong data-start=\"684\" data-end=\"690\"\u003eA:\u003c\/strong\u003e Combines high BTU output, dependable propane heating, and rugged construction for effective, everyday warmth.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3b7269b6-e5d5-4611-b308-777af2d2984b\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-mini\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cul data-start=\"214\" data-end=\"720\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"214\" data-end=\"305\"\u003e\n\u003cp data-start=\"216\" data-end=\"305\"\u003eClean the aluminized steel heat exchanger and burner regularly for efficient operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"306\" data-end=\"400\"\u003e\n\u003cp data-start=\"308\" data-end=\"400\"\u003eInspect propane connections and ignition system periodically for leaks or proper function.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"401\" data-end=\"476\"\u003e\n\u003cp data-start=\"403\" data-end=\"476\"\u003eKeep the area around the heater free of dust, debris, and obstructions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"477\" data-end=\"555\"\u003e\n\u003cp data-start=\"479\" data-end=\"555\"\u003eTest safety controls periodically to ensure reliable and safe performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"556\" data-end=\"641\"\u003e\n\u003cp data-start=\"558\" data-end=\"641\"\u003eSchedule annual professional servicing to maintain peak efficiency and longevity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"642\" data-end=\"720\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"644\" data-end=\"720\" data-is-last-node=\"\"\u003eFollow manufacturer guidelines for installation, operation, and maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Modine","offers":[{"title":"Default Title","offer_id":45468038693055,"sku":"HD125AS0121","price":1944.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/modine-hot-dawg-garage-heater-125k-btudirect-spark-ignitionlpsingle-stage-waluminized-689.jpg?v=1775544943","url":"https:\/\/backyardprovider.com\/products\/modine-dawg-garage-heater-125k-btudirect-spark-ignitionlpsingle-stage","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}