{"product_id":"dometic™-dfmdh35111-rv-furnace-35-000-btu-lp-gas-bottom-discharge-12v-dc","title":"Dometic™ DFMDH35111 RV Furnace – 35,000 BTU – LP Gas – Bottom Discharge – 12V DC","description":"\u003ch1\u003eDometic™ DFMDH35111 RV Furnace – 35,000 BTU – LP Gas – Bottom Discharge – 12V DC\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eDFM Series | Hall Effect Sensor | Medium Size | 2-Year Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e DFMDH35111\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e DFM “H” Series\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e LP Gas (Propane)\u003cbr\u003e\u003cstrong\u003eBTU Output:\u003c\/strong\u003e 35,000 BTU\u003cbr\u003e\u003cstrong\u003eStage:\u003c\/strong\u003e Single Stage\u003cbr\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12 Volt DC\u003cbr\u003e\u003cstrong\u003eDischarge Type:\u003c\/strong\u003e Bottom Discharge\u003cbr\u003e\u003cstrong\u003eAccess Door Required (Sold Separately)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eThermostat Sold Separately\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDometic™ DFMDH35111\u003c\/strong\u003e is a high-output \u003cstrong\u003e35,000 BTU LP gas RV furnace\u003c\/strong\u003e designed for medium-sized installations requiring bottom-discharge airflow and dependable cold-weather performance.\u003c\/p\u003e\n\u003cp\u003ePart of Dometic’s advanced \u003cstrong\u003eDFM “H” Series\u003c\/strong\u003e, this model features a modern \u003cstrong\u003eHall Effect airflow verification system\u003c\/strong\u003e, replacing the traditional mechanical sail switch. The Hall sensor electronically monitors blower motor rotation to confirm proper airflow before ignition — improving reliability and reducing common service issues.\u003c\/p\u003e\n\u003cp\u003eThe DFMDH35111 also includes \u003cstrong\u003eBuilt-In Soft Start technology\u003c\/strong\u003e, reducing startup electrical surge and placing less strain on RV wiring and battery systems.\u003c\/p\u003e\n\u003cp\u003e⚠ \u003cstrong\u003eImportant:\u003c\/strong\u003e This model requires the purchase of a compatible exterior access door (sold separately).\u003cbr\u003e⚠ Always measure your existing cut-out to ensure proper fit before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eKey Features\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e35,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003eLP gas (propane) operation\u003c\/li\u003e\n\u003cli\u003eSingle-stage heating performance\u003c\/li\u003e\n\u003cli\u003eBottom discharge airflow configuration\u003c\/li\u003e\n\u003cli\u003e12 Volt DC operation\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHall Effect airflow verification (no sail switch)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eBuilt-In Soft Start technology\u003c\/li\u003e\n\u003cli\u003eHigh-output heating for larger RV spaces\u003c\/li\u003e\n\u003cli\u003eMedium-size footprint\u003c\/li\u003e\n\u003cli\u003eCompatible access door required (sold separately)\u003c\/li\u003e\n\u003cli\u003eThermostat sold separately\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2-Year Manufacturer Warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e DFMDH35111\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e DFM H Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBTU Rating:\u003c\/strong\u003e 35,000 BTU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e LP Gas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating Stage:\u003c\/strong\u003e Single Stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12 Volt DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Configuration:\u003c\/strong\u003e Bottom Discharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 16-1\/2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 20 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Monitoring:\u003c\/strong\u003e Hall Effect Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft Start:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Access Door Included:\u003c\/strong\u003e No (Required for installation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2-Year Limited Manufacturer Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eWhy Choose the DFM “H” Series?\u003c\/h1\u003e\n\u003cp\u003eOlder RV furnaces rely on mechanical sail switches to verify airflow. Over time, these can:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBecome dirty or stick\u003c\/li\u003e\n\u003cli\u003eCause intermittent ignition failures\u003c\/li\u003e\n\u003cli\u003eRequire seasonal cleaning or replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eHall Effect system\u003c\/strong\u003e in the DFMDH35111 eliminates that mechanical component by electronically monitoring blower motor rotation — resulting in:\u003c\/p\u003e\n\u003cp\u003e✔ Improved ignition consistency\u003cbr\u003e✔ Reduced service issues\u003cbr\u003e✔ Better performance in cold or dusty environments\u003cbr\u003e✔ Enhanced long-term reliability\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eInstallation Notes\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eThis model \u003cstrong\u003erequires a compatible exterior access door\u003c\/strong\u003e, purchased separately.\u003c\/li\u003e\n\u003cli\u003eBottom discharge design directs heated air downward into floor duct systems.\u003c\/li\u003e\n\u003cli\u003eAlways verify cut-out dimensions before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eFrequently Asked Questions (FAQ)\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the “H” in DFMDH mean?\u003c\/strong\u003e\u003cbr\u003eA: It designates a Hall Effect airflow verification system instead of a mechanical sail switch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this furnace include an access door?\u003c\/strong\u003e\u003cbr\u003eA: No. A compatible exterior access door must be purchased separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this furnace propane?\u003c\/strong\u003e\u003cbr\u003eA: Yes. It operates on LP gas (propane).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this model use 12V DC?\u003c\/strong\u003e\u003cbr\u003eA: Yes. It operates on standard 12 Volt DC power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it include a thermostat?\u003c\/strong\u003e\u003cbr\u003eA: No. A compatible furnace thermostat must be purchased separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What warranty is included?\u003c\/strong\u003e\u003cbr\u003eA: This furnace includes a 2-year limited manufacturer warranty.\u003c\/p\u003e","brand":"RV Furnace Guys","offers":[{"title":"Default Title","offer_id":47857601380593,"sku":null,"price":1399.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4941\/0289\/files\/351111.png?v=1772400083","url":"https:\/\/www.rvfurnaceparts.com\/products\/dometic%e2%84%a2-dfmdh35111-rv-furnace-35-000-btu-lp-gas-bottom-discharge-12v-dc","provider":"RV Furnace Guys","version":"1.0","type":"link"}