{"product_id":"advanced-distributor-products-165616602a-txv-kit-non-bleed-hp-a-c-r410a-3-5-5-ton","title":"Advanced Distributor Products 165616602A – TXV Kit, Non-Bleed HP-A\/C (R410A, 3.5–5 Ton)","description":"\u003ch1 data-pm-slice=\"1 3 []\"\u003eAdvanced Distributor Products 165616602A – TXV Kit, Non-Bleed HP-A\/C (R410A, 3.5–5 Ton)\u003c\/h1\u003e\n\u003cp data-pm-slice=\"1 3 []\"\u003eThe \u003cstrong\u003eADP 165616602A\u003c\/strong\u003e is a high-precision, genuine OEM Thermostatic Expansion Valve (TXV) kit specifically engineered for Advanced Distributor Products (ADP) evaporator coils. As the primary metering device for your air conditioner or heat pump, this valve modulates the flow of \u003cstrong\u003eR410A refrigerant\u003c\/strong\u003e based on the cooling load. By maintaining the perfect balance of superheat, it ensures your system operates at peak energy efficiency while protecting the compressor from liquid slugging.\u003c\/p\u003e\n\u003cp\u003eTechnically designed for versatility, this kit is rated for \u003cstrong\u003e42,000 to 60,000 BTU (3.5–5 Tons)\u003c\/strong\u003e applications. It features a \u003cstrong\u003enon-bleed port\u003c\/strong\u003e design, which maintains system pressure during the \"off\" cycle to improve SEER ratings and provide faster cooling upon startup. As a \u003cstrong\u003eHeat Pump (HP) compatible\u003c\/strong\u003e valve, it includes an internal check valve that allows refrigerant to flow in reverse during the heating cycle, making it a universal solution for both straight-cool and heat pump split systems.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Metering (42-60k BTU):\u003c\/strong\u003e Optimized for large-tonnage 3.5, 4, and 5-ton evaporator coils.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNon-Bleed Efficiency:\u003c\/strong\u003e Improves seasonal energy efficiency by preventing refrigerant migration when the compressor is idle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeat Pump \u0026amp; A\/C Compatible:\u003c\/strong\u003e Integrated internal check valve allows for seamless operation in both heating and cooling modes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Bolt-On Kit:\u003c\/strong\u003e Designed for mechanical installation, typically requiring no brazing for the valve body itself.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details and Key Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 165616602A (Replaces 65616602)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Advanced Distributor Products (ADP)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Type:\u003c\/strong\u003e TXV Replacement Kit (External Equalizer)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRefrigerant:\u003c\/strong\u003e R410A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e 3.5 to 5.0 Ton (Nominal)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFitting Type:\u003c\/strong\u003e Mechanical Chatleff \/ Threaded\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 1.5 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e🛠️ HVAC Depot Pro Tip: The \"Chatleff\" Connection\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWhen installing the 165616602A, ensure the Teflon O-ring is seated perfectly within the Chatleff fitting before tightening. Over-torquing can crush the seal and cause a slow refrigerant leak, while under-torquing won't engage the seal. Also, always use a backup wrench on the valve body to prevent twisting or kinking the delicate copper equalizer line during installation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCross-Reference \u0026amp; Compatibility:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe 165616602A is a direct replacement for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eADP Numbers:\u003c\/strong\u003e 165616602, 65616602, 916602\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCoil Compatibility:\u003c\/strong\u003e Fits ADP \"C\" and \"F\" series evaporator coils used with Lennox, Rheem, Goodman, and other major brands.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ADP","offers":[{"title":"Default Title","offer_id":52451526410603,"sku":"165616602A","price":234.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/original_073c6f37-1e15-44c9-9b84-8d93cf5ff965.jpg?v=1760124581","url":"https:\/\/tophvacparts.com\/products\/advanced-distributor-products-165616602a-txv-kit-non-bleed-hp-a-c-r410a-3-5-5-ton","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}