{"product_id":"dometic-rv-furnace-1-25mm-lp-gas-orifice-replacement-kit","title":"Dometic LP Gas Furnace Orifice 1.25mm - Part# 30789","description":"\u003cp\u003eThis Dometic LP gas furnace orifice is a critical precision component that regulates propane flow to your RV's heating system. The 1.25mm orifice opening ensures proper fuel delivery and combustion efficiency in Dometic furnaces. If your furnace isn't heating properly or is running inefficiently, a worn or clogged orifice is often the culprit—replacement restores full heating performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision 1.25mm orifice opening for accurate propane metering\u003c\/li\u003e\n\u003cli\u003eOEM Dometic part ensures compatibility with original furnace specifications\u003c\/li\u003e\n\u003cli\u003eRestores proper fuel-to-air ratio for efficient combustion\u003c\/li\u003e\n\u003cli\u003eSmall, easy-to-replace component that prevents heating system failures\u003c\/li\u003e\n\u003cli\u003eEssential maintenance part for RVs using LP gas furnaces\u003c\/li\u003e\n\u003cli\u003ePrevents incomplete combustion and carbon buildup\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable class=\"table table-bordered table-sm\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrifice Diameter\u003c\/td\u003e\n\u003ctd\u003e1.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e30789\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eDometic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eLP Gas Furnace Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow do I know if my furnace orifice needs replacement?\u003c\/strong\u003e\u003cbr\u003eSigns include weak heating output, furnace cycling on and off frequently, yellow or orange flame color instead of blue, or the furnace not igniting at all. Clogs from propane residue or debris are common causes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this orifice compatible with all Dometic furnace models?\u003c\/strong\u003e\u003cbr\u003eThis 1.25mm orifice fits many Dometic furnace models, but verify your specific furnace model number before ordering. Different Dometic furnaces may use different orifice sizes (1.0mm, 1.25mm, 1.5mm, etc.).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install this myself?\u003c\/strong\u003e\u003cbr\u003eYes, orifice replacement is a straightforward DIY task for most RV owners. You'll typically need to access the furnace burner assembly and unscrew the old orifice. Always turn off propane and allow the furnace to cool before beginning work.\u003c\/p\u003e\u003ch3\u003eWhy Elkhart RV Parts\u003c\/h3\u003e\u003cp\u003eWe specialize in hard-to-find Dometic replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM Dometic stock, backed by expert customer support to help you identify the exact component your RV needs.\u003c\/p\u003e","brand":"Dometic","offers":[{"title":"Default Title","offer_id":48316408758424,"sku":"30789","price":25.52,"currency_code":"USD","in_stock":true}],"url":"https:\/\/elkhartrvparts.com\/en-ca\/products\/dometic-rv-furnace-1-25mm-lp-gas-orifice-replacement-kit","provider":"Elkhart RV Parts","version":"1.0","type":"link"}