{"title":"Check Valves","description":"\u003cp\u003eOEM check valves for HVAC systems — one-way flow control for refrigerant and condensate lines. Every part lists the exact models it fits.\u003c\/p\u003e","products":[{"product_id":"oem-lennox-expansion-check-valve-y8736","title":"OEM Lennox Expansion Check Valve — Y8736","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y8736\u003c\/strong\u003e Expansion Check Valve is a genuine OEM refrigerant flow control component designed for compatible Lennox air conditioning and heat pump systems. A faulty expansion valve can cause poor cooling performance, refrigerant flooding or starving of the evaporator coil, and reduced system efficiency. This direct OEM replacement restores precise refrigerant metering and optimal system operation in your Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080940339571,"sku":"LNX-Y8736","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-txv-LNX-Y8736.jpg?v=1783760706"},{"product_id":"oem-lennox-expansion-check-valve-txv-1-5-2-5-ton-r410a-y8735","title":"OEM Lennox Expansion Check Valve (TXV) 1.5-2.5 Ton R410A — Y8735","description":"\u003cp\u003eThe \u003cstrong\u003eLennox Y8735\u003c\/strong\u003e Expansion Check Valve (TXV) is a factory OEM thermostatic expansion valve specifically designed for Lennox 1.5 to 2.5 ton systems operating on R410A refrigerant. Signs of a failing TXV include inconsistent cooling, ice buildup on the evaporator coil, or the system running continuously without reaching the set temperature. This OEM-spec replacement ensures accurate refrigerant metering and peak efficiency for compatible Lennox cooling and heat pump systems.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63080940372339,"sku":"LNX-Y8735","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-txv-LNX-Y8735.jpg?v=1783760704"},{"product_id":"oem-lennox-check-valve-79j87","title":"OEM Lennox Check Valve — 79J87","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 79J87\u003c\/strong\u003e is a genuine OEM check valve that allows refrigerant to flow in only one direction, protecting critical Lennox HVAC system components from damaging backflow and pressure reversal. Symptoms of a faulty check valve include reduced system efficiency, pressure imbalances, compressor noise, or the system failing to maintain proper refrigerant circuit operation. This OEM Lennox replacement valve provides an exact fit and restores safe, efficient refrigerant flow management in compatible equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081017475443,"sku":"LNX-79J87","price":59.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-a2cvlv11n-1-heat-pump-check-valve-kit-16g33","title":"OEM Lennox A2Cvlv11N-1 Heat Pump Check Valve Kit — 16G33","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 16G33\u003c\/strong\u003e is a genuine OEM heat pump check valve kit (model A2Cvlv11N-1) engineered to prevent refrigerant backflow and maintain proper directional flow within your Lennox heat pump system. Symptoms of a failing check valve include reduced system efficiency, improper heating or cooling mode switching, and abnormal refrigerant pressures. This complete kit provides everything needed for a proper OEM-quality repair on compatible Lennox heat pump models.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081017901427,"sku":"LNX-16G33","price":59.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-t2cvlv11n-1-heat-pump-check-valve-kit-50w73","title":"OEM Lennox T2Cvlv11N-1 Heat Pump Check Valve Kit — 50W73","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 50W73\u003c\/strong\u003e is an OEM heat pump check valve kit (T2CVLV11N-1) engineered to prevent refrigerant backflow and maintain proper system pressure in compatible Lennox heat pump systems. Signs of a failing check valve include reduced heating or cooling efficiency, refrigerant migration, and inconsistent system pressures during operation. This factory-original kit provides a direct-fit replacement to restore peak performance and reliability to your Lennox heat pump.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081017999731,"sku":"LNX-50W73","price":59.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-lennox-t2cvlv10n-1-heat-pump-check-valve-kit-47w48","title":"OEM Lennox T2Cvlv10N-1 Heat Pump Check Valve Kit — 47W48","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 47W48\u003c\/strong\u003e is a genuine OEM heat pump check valve kit (T2CVLV10N-1) designed to prevent refrigerant backflow and ensure proper directional flow within compatible Lennox heat pump systems. A worn or failed check valve can lead to poor heating or cooling output, abnormal system pressures, and increased compressor wear. Replace it with this exact OEM kit to maintain the efficiency and longevity your Lennox system was designed to deliver.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081018032499,"sku":"LNX-47W48","price":59.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-trane-check-valve-val10576","title":"OEM Trane Check Valve — VAL10576","description":"\u003cp\u003eGenuine OEM Trane \u003cstrong\u003eVAL10576\u003c\/strong\u003e check valve. This valve permits refrigerant to flow in one direction only, preventing backflow that would rob the system of capacity — a stuck or leaking check valve causes poor cooling, pressure imbalances, and short cycling. Direct factory replacement ensures proper refrigerant control for your Trane system.\u003c\/p\u003e","brand":"Trane","offers":[{"title":"Default Title","offer_id":63083419861363,"sku":"TRN-VAL10576","price":69.95,"currency_code":"USD","in_stock":true}]},{"product_id":"oem-payne-check-valve-for-ph13na02400gabaa-ec36sz063","title":"OEM Payne Check Valve for PH13NA02400GABAA — EC36SZ063","description":"\u003cp\u003e\u003cstrong\u003eGenuine Payne OEM part EC36SZ063\u003c\/strong\u003e — check valve for the Payne PH13NA02400GABAA (payne split system heat pump 13 seer, PAYNE SPLIT SYSTEM HEAT PUMP 13 SEER, 208\/230-1-60). This part allows flow in one direction only, protecting the circuit during off cycles and mode changes. Factory replacement verified against Carrier Corporation's own parts data for this model (Payne is a Carrier brand). Located in: \u003cstrong\u003eAccessory\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eGuaranteed to fit the PH13NA02400GABAA\u003c\/strong\u003e — or the return shipping is on us. Same-day shipping on orders before 3PM CST, from Houston, TX.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚡ Installation: 🔴 Licensed Pro Only\u003c\/strong\u003e  ·  2–3 hrs  ·  EPA 608 certified tools\u003cbr\u003e\n\u003cspan style=\"font-size:13px\"\u003eIn-circuit valve replacement is certified refrigerant work. Guidance only — when unsure, hire a licensed HVAC technician.\u003c\/span\u003e\u003c\/p\u003e\n\n\n\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill this fit my PH13NA02400GABAA?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes — this part is verified against the manufacturer's parts list for the PH13NA02400GABAA. Have a different model? Search your model number in our store; this part serves other Carrier-family units as well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eGenuine Carrier Corporation (Payne is a Carrier brand) OEM — the same part your unit was built with, not an aftermarket substitute.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat if it doesn't fit?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWe send a prepaid return label and issue a full refund — 30 days, uninstalled parts. Installed or energized parts are non-returnable; manufacturing defects are handled under the manufacturer's warranty.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhen will it ship?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOrder before 3PM CST and it ships the same business day from Houston, TX.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis part is rated \u003cstrong\u003eLicensed Pro Only\u003c\/strong\u003e (2–3 hrs typical). It involves the sealed refrigerant system or combustion safety — federal law requires an EPA 608 certified technician for refrigerant work.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat happens when a check valve fails?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eRefrigerant migrates or bypasses — typically poor heating OR cooling performance in one mode only on heat pumps.\u003c\/p\u003e\u003c\/details\u003e","brand":"Payne","offers":[{"title":"Default Title","offer_id":63116063375731,"sku":"EC36SZ063","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/EC36SZ063_STD_002.jpg?v=1784516542"},{"product_id":"oem-payne-valve-check-for-ph13na02400gabaa-321097-201","title":"OEM Payne Valve-Check for PH13NA02400GABAA — 321097-201","description":"\u003cp\u003e\u003cstrong\u003eGenuine Payne OEM part 321097-201\u003c\/strong\u003e — valve-check for the Payne PH13NA02400GABAA (payne split system heat pump 13 seer, PAYNE SPLIT SYSTEM HEAT PUMP 13 SEER, 208\/230-1-60). This part allows flow in one direction only, protecting the circuit during off cycles and mode changes. Factory replacement verified against Carrier Corporation's own parts data for this model (Payne is a Carrier brand). Located in: \u003cstrong\u003eCoil And Piping\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eGuaranteed to fit the PH13NA02400GABAA\u003c\/strong\u003e — or the return shipping is on us. Same-day shipping on orders before 3PM CST, from Houston, TX.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚡ Installation: 🔴 Licensed Pro Only\u003c\/strong\u003e  ·  2–3 hrs  ·  EPA 608 certified tools\u003cbr\u003e\n\u003cspan style=\"font-size:13px\"\u003eIn-circuit valve replacement is certified refrigerant work. Guidance only — when unsure, hire a licensed HVAC technician.\u003c\/span\u003e\u003c\/p\u003e\n\n\n\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill this fit my PH13NA02400GABAA?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes — this part is verified against the manufacturer's parts list for the PH13NA02400GABAA. Have a different model? Search your model number in our store; this part serves other Carrier-family units as well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eGenuine Carrier Corporation (Payne is a Carrier brand) OEM — the same part your unit was built with, not an aftermarket substitute.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat if it doesn't fit?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWe send a prepaid return label and issue a full refund — 30 days, uninstalled parts. Installed or energized parts are non-returnable; manufacturing defects are handled under the manufacturer's warranty.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhen will it ship?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOrder before 3PM CST and it ships the same business day from Houston, TX.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis part is rated \u003cstrong\u003eLicensed Pro Only\u003c\/strong\u003e (2–3 hrs typical). It involves the sealed refrigerant system or combustion safety — federal law requires an EPA 608 certified technician for refrigerant work.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat happens when a check valve fails?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eRefrigerant migrates or bypasses — typically poor heating OR cooling performance in one mode only on heat pumps.\u003c\/p\u003e\u003c\/details\u003e","brand":"Payne","offers":[{"title":"Default Title","offer_id":63116067504499,"sku":"321097-201","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/321097-201_STD_002.jpg?v=1784516643"},{"product_id":"oem-payne-check-valve-for-ph13nb02500gaaaa-ec36sz063","title":"OEM Payne Check Valve for PH13NB02500GAAAA — EC36SZ063","description":"\u003cp\u003e\u003cstrong\u003eGenuine Payne OEM part EC36SZ063\u003c\/strong\u003e — check valve for the Payne PH13NB02500GAAAA (payne split system heat pump 13 seer, PAYNE SPLIT SYSTEM HEAT PUMP 13 SEER, 208\/230-1-60). This part allows flow in one direction only, protecting the circuit during off cycles and mode changes. Factory replacement verified against Carrier Corporation's own parts data for this model (Payne is a Carrier brand). Located in: \u003cstrong\u003eAccessory\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eGuaranteed to fit the PH13NB02500GAAAA\u003c\/strong\u003e — or the return shipping is on us. Same-day shipping on orders before 3PM CST, from Houston, TX.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚡ Installation: 🔴 Licensed Pro Only\u003c\/strong\u003e  ·  2–3 hrs  ·  EPA 608 certified tools\u003cbr\u003e\n\u003cspan style=\"font-size:13px\"\u003eIn-circuit valve replacement is certified refrigerant work. Guidance only — when unsure, hire a licensed HVAC technician.\u003c\/span\u003e\u003c\/p\u003e\n\n\n\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill this fit my PH13NB02500GAAAA?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes — this part is verified against the manufacturer's parts list for the PH13NB02500GAAAA. Have a different model? Search your model number in our store; this part serves other Carrier-family units as well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eGenuine Carrier Corporation (Payne is a Carrier brand) OEM — the same part your unit was built with, not an aftermarket substitute.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat if it doesn't fit?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWe send a prepaid return label and issue a full refund — 30 days, uninstalled parts. Installed or energized parts are non-returnable; manufacturing defects are handled under the manufacturer's warranty.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhen will it ship?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOrder before 3PM CST and it ships the same business day from Houston, TX.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis part is rated \u003cstrong\u003eLicensed Pro Only\u003c\/strong\u003e (2–3 hrs typical). It involves the sealed refrigerant system or combustion safety — federal law requires an EPA 608 certified technician for refrigerant work.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat happens when a check valve fails?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eRefrigerant migrates or bypasses — typically poor heating OR cooling performance in one mode only on heat pumps.\u003c\/p\u003e\u003c\/details\u003e","brand":"Payne","offers":[{"title":"Default Title","offer_id":63116069831027,"sku":"EC36SZ063","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/EC36SZ063_STD_002_f761c30f-fb57-4ebf-9816-889bb16c8ecb.jpg?v=1784516717"},{"product_id":"oem-payne-check-valve-for-ph13nb02500gaaaa-321097-201","title":"OEM Payne Check Valve for PH13NB02500GAAAA — 321097-201","description":"\u003cp\u003e\u003cstrong\u003eGenuine Payne OEM part 321097-201\u003c\/strong\u003e — check valve for the Payne PH13NB02500GAAAA (payne split system heat pump 13 seer, PAYNE SPLIT SYSTEM HEAT PUMP 13 SEER, 208\/230-1-60). This part allows flow in one direction only, protecting the circuit during off cycles and mode changes. Factory replacement verified against Carrier Corporation's own parts data for this model (Payne is a Carrier brand). Located in: \u003cstrong\u003eCoil And Piping\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eGuaranteed to fit the PH13NB02500GAAAA\u003c\/strong\u003e — or the return shipping is on us. Same-day shipping on orders before 3PM CST, from Houston, TX.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚡ Installation: 🔴 Licensed Pro Only\u003c\/strong\u003e  ·  2–3 hrs  ·  EPA 608 certified tools\u003cbr\u003e\n\u003cspan style=\"font-size:13px\"\u003eIn-circuit valve replacement is certified refrigerant work. Guidance only — when unsure, hire a licensed HVAC technician.\u003c\/span\u003e\u003c\/p\u003e\n\n\n\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill this fit my PH13NB02500GAAAA?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes — this part is verified against the manufacturer's parts list for the PH13NB02500GAAAA. Have a different model? Search your model number in our store; this part serves other Carrier-family units as well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eGenuine Carrier Corporation (Payne is a Carrier brand) OEM — the same part your unit was built with, not an aftermarket substitute.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat if it doesn't fit?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWe send a prepaid return label and issue a full refund — 30 days, uninstalled parts. Installed or energized parts are non-returnable; manufacturing defects are handled under the manufacturer's warranty.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhen will it ship?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOrder before 3PM CST and it ships the same business day from Houston, TX.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis part is rated \u003cstrong\u003eLicensed Pro Only\u003c\/strong\u003e (2–3 hrs typical). It involves the sealed refrigerant system or combustion safety — federal law requires an EPA 608 certified technician for refrigerant work.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat happens when a check valve fails?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eRefrigerant migrates or bypasses — typically poor heating OR cooling performance in one mode only on heat pumps.\u003c\/p\u003e\u003c\/details\u003e","brand":"Payne","offers":[{"title":"Default Title","offer_id":63116071698803,"sku":"321097-201","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/321097-201_STD_002_d4cacd36-869a-44ec-907b-fe7dc38527dc.jpg?v=1784516787"},{"product_id":"oem-payne-check-valve-for-ph13nb02400gaaaa-ec36sz063","title":"OEM Payne Check Valve for PH13NB02400GAAAA — EC36SZ063","description":"\u003cp\u003e\u003cstrong\u003eGenuine Payne OEM part EC36SZ063\u003c\/strong\u003e — check valve for the Payne PH13NB02400GAAAA (payne split system heat pump 13 seer, PAYNE SPLIT SYSTEM HEAT PUMP 13 SEER, 208\/230-1-60). This part allows flow in one direction only, protecting the circuit during off cycles and mode changes. Factory replacement verified against Carrier Corporation's own parts data for this model (Payne is a Carrier brand). Located in: \u003cstrong\u003eAccessory\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eGuaranteed to fit the PH13NB02400GAAAA\u003c\/strong\u003e — or the return shipping is on us. Same-day shipping on orders before 3PM CST, from Houston, TX.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚡ Installation: 🔴 Licensed Pro Only\u003c\/strong\u003e  ·  2–3 hrs  ·  EPA 608 certified tools\u003cbr\u003e\n\u003cspan style=\"font-size:13px\"\u003eIn-circuit valve replacement is certified refrigerant work. Guidance only — when unsure, hire a licensed HVAC technician.\u003c\/span\u003e\u003c\/p\u003e\n\n\n\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill this fit my PH13NB02400GAAAA?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes — this part is verified against the manufacturer's parts list for the PH13NB02400GAAAA. Have a different model? Search your model number in our store; this part serves other Carrier-family units as well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eGenuine Carrier Corporation (Payne is a Carrier brand) OEM — the same part your unit was built with, not an aftermarket substitute.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat if it doesn't fit?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWe send a prepaid return label and issue a full refund — 30 days, uninstalled parts. Installed or energized parts are non-returnable; manufacturing defects are handled under the manufacturer's warranty.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhen will it ship?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOrder before 3PM CST and it ships the same business day from Houston, TX.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis part is rated \u003cstrong\u003eLicensed Pro Only\u003c\/strong\u003e (2–3 hrs typical). It involves the sealed refrigerant system or combustion safety — federal law requires an EPA 608 certified technician for refrigerant work.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat happens when a check valve fails?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eRefrigerant migrates or bypasses — typically poor heating OR cooling performance in one mode only on heat pumps.\u003c\/p\u003e\u003c\/details\u003e","brand":"Payne","offers":[{"title":"Default Title","offer_id":63116074877299,"sku":"EC36SZ063","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/EC36SZ063_STD_002_d9f485c9-80da-4b22-9163-4f48bd3aea51.jpg?v=1784516875"},{"product_id":"oem-payne-check-valve-for-ph13nb02400gaaaa-321097-201","title":"OEM Payne Check Valve for PH13NB02400GAAAA — 321097-201","description":"\u003cp\u003e\u003cstrong\u003eGenuine Payne OEM part 321097-201\u003c\/strong\u003e — check valve for the Payne PH13NB02400GAAAA (payne split system heat pump 13 seer, PAYNE SPLIT SYSTEM HEAT PUMP 13 SEER, 208\/230-1-60). This part allows flow in one direction only, protecting the circuit during off cycles and mode changes. Factory replacement verified against Carrier Corporation's own parts data for this model (Payne is a Carrier brand). Located in: \u003cstrong\u003eCoil And Piping\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eGuaranteed to fit the PH13NB02400GAAAA\u003c\/strong\u003e — or the return shipping is on us. Same-day shipping on orders before 3PM CST, from Houston, TX.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚡ Installation: 🔴 Licensed Pro Only\u003c\/strong\u003e  ·  2–3 hrs  ·  EPA 608 certified tools\u003cbr\u003e\n\u003cspan style=\"font-size:13px\"\u003eIn-circuit valve replacement is certified refrigerant work. Guidance only — when unsure, hire a licensed HVAC technician.\u003c\/span\u003e\u003c\/p\u003e\n\n\n\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill this fit my PH13NB02400GAAAA?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes — this part is verified against the manufacturer's parts list for the PH13NB02400GAAAA. Have a different model? Search your model number in our store; this part serves other Carrier-family units as well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eGenuine Carrier Corporation (Payne is a Carrier brand) OEM — the same part your unit was built with, not an aftermarket substitute.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat if it doesn't fit?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWe send a prepaid return label and issue a full refund — 30 days, uninstalled parts. Installed or energized parts are non-returnable; manufacturing defects are handled under the manufacturer's warranty.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhen will it ship?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOrder before 3PM CST and it ships the same business day from Houston, TX.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis part is rated \u003cstrong\u003eLicensed Pro Only\u003c\/strong\u003e (2–3 hrs typical). It involves the sealed refrigerant system or combustion safety — federal law requires an EPA 608 certified technician for refrigerant work.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat happens when a check valve fails?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eRefrigerant migrates or bypasses — typically poor heating OR cooling performance in one mode only on heat pumps.\u003c\/p\u003e\u003c\/details\u003e","brand":"Payne","offers":[{"title":"Default Title","offer_id":63116076384627,"sku":"321097-201","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/321097-201_STD_002_34cdff44-74f5-4142-9a57-e945505792b1.jpg?v=1784516954"},{"product_id":"oem-payne-check-valve-for-ph15na042000baaa-ec36sz063","title":"OEM Payne Check Valve for PH15NA042000BAAA — EC36SZ063","description":"\u003cp\u003e\u003cstrong\u003eGenuine Payne OEM part EC36SZ063\u003c\/strong\u003e — check valve for the Payne PH15NA042000BAAA (payne split system heat pump 15 seer, PAYNE SPLIT SYSTEM HEAT PUMP 15 SEER, 208\/230-1-60). This part allows flow in one direction only, protecting the circuit during off cycles and mode changes. Factory replacement verified against Carrier Corporation's own parts data for this model (Payne is a Carrier brand). Located in: \u003cstrong\u003eAccessory\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eGuaranteed to fit the PH15NA042000BAAA\u003c\/strong\u003e — or the return shipping is on us. Same-day shipping on orders before 3PM CST, from Houston, TX.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚡ Installation: 🔴 Licensed Pro Only\u003c\/strong\u003e  ·  2–3 hrs  ·  EPA 608 certified tools\u003cbr\u003e\n\u003cspan style=\"font-size:13px\"\u003eIn-circuit valve replacement is certified refrigerant work. Guidance only — when unsure, hire a licensed HVAC technician.\u003c\/span\u003e\u003c\/p\u003e\n\n\n\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill this fit my PH15NA042000BAAA?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes — this part is verified against the manufacturer's parts list for the PH15NA042000BAAA. Have a different model? Search your model number in our store; this part serves other Carrier-family units as well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eGenuine Carrier Corporation (Payne is a Carrier brand) OEM — the same part your unit was built with, not an aftermarket substitute.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat if it doesn't fit?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWe send a prepaid return label and issue a full refund — 30 days, uninstalled parts. Installed or energized parts are non-returnable; manufacturing defects are handled under the manufacturer's warranty.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhen will it ship?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOrder before 3PM CST and it ships the same business day from Houston, TX.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis part is rated \u003cstrong\u003eLicensed Pro Only\u003c\/strong\u003e (2–3 hrs typical). It involves the sealed refrigerant system or combustion safety — federal law requires an EPA 608 certified technician for refrigerant work.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat happens when a check valve fails?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eRefrigerant migrates or bypasses — typically poor heating OR cooling performance in one mode only on heat pumps.\u003c\/p\u003e\u003c\/details\u003e","brand":"Payne","offers":[{"title":"Default Title","offer_id":63116077662579,"sku":"EC36SZ063","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/EC36SZ063_STD_002_11360455-c84e-4425-996a-b8c2f3e7d71f.jpg?v=1784517017"},{"product_id":"oem-payne-valve-check-for-ph15na042000baaa-321097-201","title":"OEM Payne Valve-Check for PH15NA042000BAAA — 321097-201","description":"\u003cp\u003e\u003cstrong\u003eGenuine Payne OEM part 321097-201\u003c\/strong\u003e — valve-check for the Payne PH15NA042000BAAA (payne split system heat pump 15 seer, PAYNE SPLIT SYSTEM HEAT PUMP 15 SEER, 208\/230-1-60). This part allows flow in one direction only, protecting the circuit during off cycles and mode changes. Factory replacement verified against Carrier Corporation's own parts data for this model (Payne is a Carrier brand). Located in: \u003cstrong\u003eCoil And Piping\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e✓ \u003cstrong\u003eGuaranteed to fit the PH15NA042000BAAA\u003c\/strong\u003e — or the return shipping is on us. Same-day shipping on orders before 3PM CST, from Houston, TX.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚡ Installation: 🔴 Licensed Pro Only\u003c\/strong\u003e  ·  2–3 hrs  ·  EPA 608 certified tools\u003cbr\u003e\n\u003cspan style=\"font-size:13px\"\u003eIn-circuit valve replacement is certified refrigerant work. Guidance only — when unsure, hire a licensed HVAC technician.\u003c\/span\u003e\u003c\/p\u003e\n\n\n\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWill this fit my PH15NA042000BAAA?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes — this part is verified against the manufacturer's parts list for the PH15NA042000BAAA. Have a different model? Search your model number in our store; this part serves other Carrier-family units as well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eGenuine Carrier Corporation (Payne is a Carrier brand) OEM — the same part your unit was built with, not an aftermarket substitute.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat if it doesn't fit?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWe send a prepaid return label and issue a full refund — 30 days, uninstalled parts. Installed or energized parts are non-returnable; manufacturing defects are handled under the manufacturer's warranty.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhen will it ship?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eOrder before 3PM CST and it ships the same business day from Houston, TX.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis part is rated \u003cstrong\u003eLicensed Pro Only\u003c\/strong\u003e (2–3 hrs typical). It involves the sealed refrigerant system or combustion safety — federal law requires an EPA 608 certified technician for refrigerant work.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat happens when a check valve fails?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eRefrigerant migrates or bypasses — typically poor heating OR cooling performance in one mode only on heat pumps.\u003c\/p\u003e\u003c\/details\u003e","brand":"Payne","offers":[{"title":"Default Title","offer_id":63116080021875,"sku":"321097-201","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/321097-201_STD_002_29b3f6d2-1a19-4fe9-9cd2-991c681b85dc.jpg?v=1784517105"}],"url":"https:\/\/nationalhvacparts.com\/collections\/check-valves.oembed","provider":"National HVAC Parts","version":"1.0","type":"link"}