{"product_id":"diversitech-txvh-404a-507-4s-txv-r-404a-r-507","title":"Diversitech TXVH-404A-507-4S Txv R-404A R-507","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe DIVERSITECH TXVH-404A-507-4S is a thermostatic expansion valve (TXV) designed to regulate refrigerant flow rate into the evaporator while controlling superheat at the evaporator outlet. With a 0.38-inch SAE inlet and a 0.5-inch ODF outlet, this valve maintains precise superheat control across a range of operating conditions. It is sized and rated for use with R-404A and R-507 refrigerants, making it suited for commercial refrigeration systems where these refrigerants are common. Licensed HVAC-R technicians are the primary installers for this component.\u003c\/p\u003e\u003cp\u003eThis TXV is applied in commercial refrigeration systems operating on R-404A or R-507 refrigerant circuits. Typical installations include walk-in coolers, reach-in cases, and other medium- to low-temperature commercial refrigeration equipment. The 0.38-inch SAE inlet and 0.5-inch ODF outlet configuration fits standard refrigerant piping in these applications. It is not intended for residential split systems or refrigerants outside its rated specifications.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRated for R-404A and R-507 refrigerants\u003c\/li\u003e\n\u003cli\u003e0.38-inch SAE inlet connection for standard field piping\u003c\/li\u003e\n\u003cli\u003e0.5-inch ODF outlet connection for brazed refrigerant line attachment\u003c\/li\u003e\n\u003cli\u003eControls superheat at the evaporator outlet for efficient system operation\u003c\/li\u003e\n\u003cli\u003eRegulates refrigerant flow rate into the evaporator to match load demand\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for refrigeration systems charged with R-404A or R-507 refrigerant. Consult system manufacturer documentation to confirm valve sizing and rated capacity before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by an EPA Section 608 certified HVAC-R technician. Recover all refrigerant and confirm the system is fully depressurized before disconnecting any refrigerant lines. The ODF outlet connection requires brazing with appropriate silver-alloy filler and an inert gas purge to prevent internal oxidation. Verify superheat setting after startup and adjust the valve per the equipment manufacturer's specification.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Connection\u003c\/strong\u003e: 0.38 inches SAE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Connection\u003c\/strong\u003e: 0.5 inches ODF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Refrigerants\u003c\/strong\u003e: R-404A, R-507\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: DIVERSITECH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: TXVH-404A-507-4S\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DIVERSITECH","offers":[{"title":"Default Title","offer_id":68655727149362,"sku":"TXVH-404A-507-4S","price":72.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/0098c93d36777a2015c96aca4eb2be59_e3abaee4-95fe-44e3-bac3-dae034a249f4.jpg?v=1794498937","url":"https:\/\/voomisupply.com\/products\/diversitech-txvh-404a-507-4s-txv-r-404a-r-507","provider":"Voomi Supply","version":"1.0","type":"link"}