OEM Payne Check Valve for PH13NB02500GAAAA — EC36SZ063
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Genuine Payne OEM part EC36SZ063 — 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: Accessory.
✓ Guaranteed to fit the PH13NB02500GAAAA — or the return shipping is on us. Same-day shipping on orders before 3PM CST, from Houston, TX.
⚡ Installation: 🔴 Licensed Pro Only · 2–3 hrs · EPA 608 certified tools
In-circuit valve replacement is certified refrigerant work. Guidance only — when unsure, hire a licensed HVAC technician.
Will this fit my PH13NB02500GAAAA?
Yes — 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.
Is this an OEM part?
Genuine Carrier Corporation (Payne is a Carrier brand) OEM — the same part your unit was built with, not an aftermarket substitute.
What if it doesn't fit?
We 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.
When will it ship?
Order before 3PM CST and it ships the same business day from Houston, TX.
Can I install it myself?
This part is rated Licensed Pro Only (2–3 hrs typical). It involves the sealed refrigerant system or combustion safety — federal law requires an EPA 608 certified technician for refrigerant work.
What happens when a check valve fails?
Refrigerant migrates or bypasses — typically poor heating OR cooling performance in one mode only on heat pumps.
Shipping Information
- Orders placed before 3PM CST ship same business day
- Standard delivery: 2-5 business days
- Express shipping available at checkout
- Free shipping on orders over $99
- Tracking number emailed upon shipment
Return Policy
- 30-day returns on unused parts in original packaging
- Electrical parts (capacitors, contactors, control boards) are final sale once installed
- Email info@nationalhvacparts.com to initiate a return
- Refunds processed within 5-7 business days