{"product_id":"modine-dawg-garage-heater-btudirect-spark-ignitionlpsingle-stage-wstainless","title":"Modine Hot Dawg Garage Heater - 75K BTU\/Direct Spark Ignition\/LP\/Single Stage w\/Stainless Steel Heat Exchanger - HD75SS0121","description":"\u003ch2\u003eModine Hot Dawg Garage Heater - 75K BTU\/Direct Spark Ignition\/LP\/Single Stage w\/Stainless Steel Heat Exchanger - HD75SS0121\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 (included)\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\u003eRight or left hand controls available on 30-75 units by rotating unit 180 degrees\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\u003e3\" vent connection\u003c\/li\u003e\n\u003cli\u003eLiquid Propane\u003c\/li\u003e\n\u003cli\u003e75,000 BTU\u003c\/li\u003e\n\u003cli\u003eDirect spark ignition\u003c\/li\u003e\n\u003cli\u003eSingle stage - on\/off operation\u003c\/li\u003e\n\u003cli\u003eStainless 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\"\u003e26.8\" W × 19\" H × 25\" 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\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"1388fc62-29bf-4973-ad2f-d311a28f4fcb\" 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=\"32\" data-end=\"888\"\u003e\n\u003cli data-start=\"32\" data-end=\"167\"\u003e\n\u003cp data-start=\"34\" data-end=\"167\"\u003e\u003cstrong data-start=\"34\" data-end=\"66\"\u003ePowerful \u0026amp; Efficient Warmth:\u003c\/strong\u003e \u003cstrong data-start=\"67\" data-end=\"81\"\u003e75,000 BTU\u003c\/strong\u003e output provides strong, consistent heat for garages, workshops, and utility spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"168\" data-end=\"276\"\u003e\n\u003cp data-start=\"170\" data-end=\"276\"\u003e\u003cstrong data-start=\"170\" data-end=\"194\"\u003ePropane Convenience:\u003c\/strong\u003e LP gas setup delivers reliable performance without needing natural gas hookups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"277\" data-end=\"407\"\u003e\n\u003cp data-start=\"279\" data-end=\"407\"\u003e\u003cstrong data-start=\"279\" data-end=\"307\"\u003eLong‑Lasting Durability:\u003c\/strong\u003e Stainless steel heat exchanger resists corrosion and extends heater life in demanding conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"408\" data-end=\"503\"\u003e\n\u003cp data-start=\"410\" data-end=\"503\"\u003e\u003cstrong data-start=\"410\" data-end=\"434\"\u003eDependable Ignition:\u003c\/strong\u003e Direct spark ignition ensures quick, consistent starts every time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"504\" data-end=\"616\"\u003e\n\u003cp data-start=\"506\" data-end=\"616\"\u003e\u003cstrong data-start=\"506\" data-end=\"548\"\u003eStraightforward, User‑Friendly Design:\u003c\/strong\u003e Single‑stage operation makes installation and maintenance simple.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"617\" data-end=\"747\"\u003e\n\u003cp data-start=\"619\" data-end=\"747\"\u003e\u003cstrong data-start=\"619\" data-end=\"643\"\u003eVersatile Use Cases:\u003c\/strong\u003e Ideal for garages, service bays, storage areas, sheds, and similar spaces needing dependable heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"748\" data-end=\"888\"\u003e\n\u003cp data-start=\"750\" data-end=\"888\"\u003e\u003cstrong data-start=\"750\" data-end=\"775\"\u003eStrong Market Appeal:\u003c\/strong\u003e Meets solid demand for robust, efficient propane garage heaters that balance performance, durability, and value.\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\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"115\" data-end=\"283\"\u003e\u003cstrong data-start=\"115\" data-end=\"167\"\u003eQ: What type of heater is the Modine HD75SS0121?\u003c\/strong\u003e\u003cbr data-start=\"167\" data-end=\"170\"\u003eA: A \u003cstrong data-start=\"175\" data-end=\"242\"\u003e75,000 BTU liquid propane (LP) garage and workspace unit heater\u003c\/strong\u003e with a stainless steel heat exchanger.\u003c\/p\u003e\n\u003cp data-start=\"285\" data-end=\"419\"\u003e\u003cstrong data-start=\"285\" data-end=\"321\"\u003eQ: What is its heating capacity?\u003c\/strong\u003e\u003cbr data-start=\"321\" data-end=\"324\"\u003eA: Delivers \u003cstrong data-start=\"336\" data-end=\"350\"\u003e75,000 BTU\u003c\/strong\u003e, ideal for medium to large garages, workshops, and utility spaces.\u003c\/p\u003e\n\u003cp data-start=\"421\" data-end=\"586\"\u003e\u003cstrong data-start=\"421\" data-end=\"470\"\u003eQ: What fuel and ignition system does it use?\u003c\/strong\u003e\u003cbr data-start=\"470\" data-end=\"473\"\u003eA: Uses \u003cstrong data-start=\"481\" data-end=\"504\"\u003eliquid propane (LP)\u003c\/strong\u003e with \u003cstrong data-start=\"510\" data-end=\"535\"\u003edirect spark ignition\u003c\/strong\u003e for dependable starts and efficient performance.\u003c\/p\u003e\n\u003cp data-start=\"588\" data-end=\"685\"\u003e\u003cstrong data-start=\"588\" data-end=\"614\"\u003eQ: Is it single stage?\u003c\/strong\u003e\u003cbr data-start=\"614\" data-end=\"617\"\u003eA: Yes — \u003cstrong data-start=\"626\" data-end=\"642\"\u003esingle stage\u003c\/strong\u003e for consistent and reliable heat output.\u003c\/p\u003e\n\u003cp data-start=\"687\" data-end=\"830\"\u003e\u003cstrong data-start=\"687\" data-end=\"731\"\u003eQ: What heat exchanger material is used?\u003c\/strong\u003e\u003cbr data-start=\"731\" data-end=\"734\"\u003eA: \u003cstrong data-start=\"737\" data-end=\"771\"\u003eStainless steel heat exchanger\u003c\/strong\u003e for enhanced corrosion resistance and long service life.\u003c\/p\u003e\n\u003cp data-start=\"832\" data-end=\"1000\"\u003e\u003cstrong data-start=\"832\" data-end=\"870\"\u003eQ: Where is this heater best used?\u003c\/strong\u003e\u003cbr data-start=\"870\" data-end=\"873\"\u003eA: Best for \u003cstrong data-start=\"885\" data-end=\"961\"\u003egarages, workshops, utility rooms, warehouses, and similar indoor spaces\u003c\/strong\u003e needing efficient supplemental heat.\u003c\/p\u003e\n\u003cp data-start=\"1002\" data-end=\"1117\"\u003e\u003cstrong data-start=\"1002\" data-end=\"1037\"\u003eQ: Does it require electricity?\u003c\/strong\u003e\u003cbr data-start=\"1037\" data-end=\"1040\"\u003eA: Yes — uses standard electrical power for ignition and control functions.\u003c\/p\u003e\n\u003cp data-start=\"1119\" data-end=\"1288\"\u003e\u003cstrong data-start=\"1119\" data-end=\"1163\"\u003eQ: Is installation and maintenance easy?\u003c\/strong\u003e\u003cbr data-start=\"1163\" data-end=\"1166\"\u003eA: Yes — designed with service‑friendly access and contractor‑friendly features for straightforward setup and servicing.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"276\" data-end=\"396\"\u003e\n\u003cp data-start=\"278\" data-end=\"396\"\u003e\u003cstrong data-start=\"278\" data-end=\"306\"\u003eClean Exterior Surfaces:\u003c\/strong\u003e Wipe the heater’s exterior regularly to remove dust and debris that can impede airflow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"397\" data-end=\"553\"\u003e\n\u003cp data-start=\"399\" data-end=\"553\"\u003e\u003cstrong data-start=\"399\" data-end=\"426\"\u003eInspect Heat Exchanger:\u003c\/strong\u003e Periodically check the stainless steel heat exchanger for buildup, corrosion, or damage to maintain efficient heat transfer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"554\" data-end=\"676\"\u003e\n\u003cp data-start=\"556\" data-end=\"676\"\u003e\u003cstrong data-start=\"556\" data-end=\"579\"\u003eBurner Maintenance:\u003c\/strong\u003e Inspect and clean the burner assembly to support proper combustion and consistent performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"677\" data-end=\"784\"\u003e\n\u003cp data-start=\"679\" data-end=\"784\"\u003e\u003cstrong data-start=\"679\" data-end=\"705\"\u003eCheck Ignition System:\u003c\/strong\u003e Verify that the direct spark ignition lights reliably and operates smoothly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"785\" data-end=\"917\"\u003e\n\u003cp data-start=\"787\" data-end=\"917\"\u003e\u003cstrong data-start=\"787\" data-end=\"810\"\u003eLP Gas Line Safety:\u003c\/strong\u003e Inspect propane connections, fittings, and valves for secure fit and leaks; address any issues promptly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"918\" data-end=\"1037\"\u003e\n\u003cp data-start=\"920\" data-end=\"1037\"\u003e\u003cstrong data-start=\"920\" data-end=\"946\"\u003eKeep Vent Areas Clear:\u003c\/strong\u003e Ensure intake and exhaust areas remain free of obstructions for safe, efficient heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1038\" data-end=\"1181\"\u003e\n\u003cp data-start=\"1040\" data-end=\"1181\"\u003e\u003cstrong data-start=\"1040\" data-end=\"1072\"\u003eAnnual Professional Service:\u003c\/strong\u003e Have a qualified technician perform yearly maintenance including safety checks and performance optimization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Modine","offers":[{"title":"Default Title","offer_id":45468038660287,"sku":"HD75SS0121","price":1614.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/modine-hot-dawg-garage-heater-75k-btudirect-spark-ignitionlpsingle-stage-wstainless-steel-703.webp?v=1775544941","url":"https:\/\/www.mybackyardzone.com\/products\/modine-dawg-garage-heater-btudirect-spark-ignitionlpsingle-stage-wstainless","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}