{"product_id":"dometic-replacement-odf-3-8-x-1-2-fitting-service-part","title":"Dometic Expansion Valve TXV - Fits EI1000 - Part# 290336351","description":"\u003cp\u003eThe Dometic expansion valve (TXV) is a critical component in your RV's air conditioning system that regulates refrigerant flow to maintain optimal cooling performance. If your EI1000 unit is running inefficiently, cycling on and off, or not cooling properly, a faulty expansion valve is often the culprit. This OEM replacement part restores precise temperature control and system reliability.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine OEM Dometic part designed for EI1000 air conditioning units\u003c\/li\u003e\n\u003cli\u003eThermostatic expansion valve (TXV) regulates refrigerant flow automatically\u003c\/li\u003e\n\u003cli\u003eRestores proper cooling cycle and system efficiency\u003c\/li\u003e\n\u003cli\u003eDirect replacement—no modifications required\u003c\/li\u003e\n\u003cli\u003ePrevents compressor damage from improper refrigerant distribution\u003c\/li\u003e\n\u003cli\u003eFactory-sealed and ready to install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"table table-bordered table-sm\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e290336351\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\u003eComponent Type\u003c\/td\u003e\n\u003ctd\u003eThermostatic Expansion Valve (TXV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Unit\u003c\/td\u003e\n\u003ctd\u003eDometic EI1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eRV Air Conditioning System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eHow do I know if my expansion valve is failing?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eCommon signs include inconsistent cooling, the AC unit freezing up or not cooling at all, hissing sounds from the refrigerant lines, or the compressor running continuously without reaching the desired temperature. A professional diagnosis is recommended, but a faulty TXV is a frequent cause of these symptoms.\u003c\/dd\u003e\n\n\u003cdt\u003e\u003cstrong\u003eCan I install this expansion valve myself?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eWhile some experienced RV owners can handle the installation, expansion valve replacement typically requires specialized tools for proper refrigerant handling and evacuation. We recommend having a certified technician perform the work to ensure proper installation and system integrity. Improper installation can damage your entire AC system.\u003c\/dd\u003e\n\n\u003cdt\u003e\u003cstrong\u003eIs this the correct part for my EI1000 unit?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, this part number 290336351 is the OEM expansion valve designed specifically for Dometic EI1000 air conditioning units. Always verify your unit model before ordering. If you're unsure, contact our expert support team and we can confirm compatibility with your RV's serial number.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eWhy Elkhart RV Parts\u003c\/h3\u003e\n\u003cp\u003eWe specialize in hard-to-find Dometic replacement parts that other retailers struggle to stock. Shipping directly from Elkhart, Indiana—the RV capital of the world—we maintain an extensive inventory of genuine OEM components. Every part is authentic Dometic equipment backed by expert support to help you identify and install the exact component your RV needs.\u003c\/p\u003e","brand":"Dometic","offers":[{"title":"Default Title","offer_id":48313892831384,"sku":"290336351","price":343.74,"currency_code":"USD","in_stock":true}],"url":"https:\/\/elkhartrvparts.com\/products\/dometic-replacement-odf-3-8-x-1-2-fitting-service-part","provider":"Elkhart RV Parts","version":"1.0","type":"link"}