{"product_id":"ac-four-way-reversing-valve-copper-hvac-refrigeration-part","title":"AC Four-Way Reversing Valve – Copper HVAC Refrigeration Part","description":"\n\u003ch2\u003eAC Four-Way Reversing Valve – Copper Refrigeration Maintenance Accessory\u003c\/h2\u003e\n\u003cp\u003eKeep your heat pump system running at peak performance with this heavy-duty \u003cstrong\u003eAir Conditioning Four-Way Reversing Valve\u003c\/strong\u003e. Engineered from premium copper and CE certified, this valve seamlessly switches refrigerant flow between cooling and heating modes in residential and commercial HVAC systems — from compact room units to large central air conditioners up to 120 tons of refrigeration capacity.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Low-Pressure Operation:\u003c\/strong\u003e Engineered for stable performance under low pressure difference with minimal pressure drop and internal leakage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermosetting Electromagnetic Coil:\u003c\/strong\u003e Water-resistant, lightning-resistant, and built with excellent insulation properties for long service life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Efficient:\u003c\/strong\u003e Low temperature rise, low noise output, and outstanding anti-vibration performance for quieter, greener operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Sealing:\u003c\/strong\u003e Exceptional sealing integrity, high energy efficiency, and lightweight yet robust construction for lasting durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Refrigerant Compatibility:\u003c\/strong\u003e Works with R22, R407C, R404A, R410A, and more — making it a versatile fit for most modern HVAC systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Temperature Range:\u003c\/strong\u003e Suitable for medium temperatures from -30°C to +120°C and ambient temperatures from -25°C to +70°C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertified Quality:\u003c\/strong\u003e Meets UL, VDE, and PED certification standards for your peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplicable Refrigerants\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR22, R407C, R404A, R410A, etc.\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedium Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30°C to +120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-25°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤95% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 to 120 tons of refrigeration\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1P, 1.5P–2P (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, UL, VDE, PED\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Safety Notes\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eBefore replacing the four-way valve, use a plastic plug to block the four nozzles to prevent impurities from entering. Check that the slider inside the main valve body is positioned to the left before welding; if not, gently tap the valve body to reposition it.\u003c\/li\u003e\n  \u003cli\u003eRemove the coil of the pilot valve before desoldering to prevent damage during the welding process.\u003c\/li\u003e\n  \u003cli\u003eWrap the valve with a damp cloth before desoldering and during assembly welding. Never direct the flame toward the valve body.\u003c\/li\u003e\n  \u003cli\u003eImmerse the valve assembly in water when replacing. Work one connection at a time — remove one pipe, then weld the new one — to control relative angles accurately.\u003c\/li\u003e\n  \u003cli\u003eUse silver-containing brazing filler metal for best copper pipe weld quality. Copper-phosphorus brazing filler metal with flux is an acceptable alternative.\u003c\/li\u003e\n  \u003cli\u003eWhere possible, use nitrogen filling during welding to minimise oxide scale. After welding, purge the interior with nitrogen. Protect from moisture during cooling.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Air Conditioning Four-Way Reversing Valve (interface random)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-nut-bolt-extractor-tool-kit-10-piece\"\u003e10-Pc Hex Nut \u0026amp; Bolt Extractor Kit 9–19mm | HIP Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-8-piece-hex-short-socket-set-vanadium-steel\"\u003e1\/2″ Drive 8-Piece Hex Short Socket Set – Vanadium Steel\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/105-degree-right-angle-driver-with-hex-screwdriver-bit\"\u003e105° Right Angle Driver with 1\/4″ Hex Screwdriver Bit | HIP\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a four-way reversing valve used for in an air conditioning system?\u003c\/h4\u003e\n\u003cp\u003eA: A four-way reversing valve controls the direction of refrigerant flow in heat pump systems, allowing the unit to switch between cooling and heating modes. This copper reversing valve is compatible with central, split, and room air conditioners from 1 to 120 tons of refrigeration capacity.\u003c\/p\u003e\n\u003ch4\u003eQ: Which refrigerants is this four-way valve compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This AC reversing valve is compatible with a wide range of common refrigerants including R22, R407C, R404A, and R410A, making it suitable for most residential and commercial HVAC and heat pump systems.\u003c\/p\u003e\n\u003ch4\u003eQ: What precautions should I take when installing or replacing this reversing valve?\u003c\/h4\u003e\n\u003cp\u003eA: Always wrap the valve body in a damp cloth before any welding work and ensure the flame is never directed at the valve body. Remove the electromagnetic coil before desoldering. Use silver-containing or copper-phosphorus brazing filler metal, and if possible, purge with nitrogen during and after welding to prevent oxide build-up and moisture contamination.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this four-way reversing valve certified for quality and safety?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This valve carries CE, UL, VDE, and PED certifications, confirming it meets rigorous international standards for electrical insulation, pressure equipment safety, and overall product quality.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a four-way reversing valve used for in an air conditioning system?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A four-way reversing valve controls the direction of refrigerant flow in heat pump systems, allowing the unit to switch between cooling and heating modes. 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