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Genuine Payne OEM part EA36YD131 — thermostatic expansion 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 meters refrigerant into the evaporator to hold the correct superheat under all loads. 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 PH15NA042000BAAA — or the return shipping is on us. Same-day shipping on orders before 3PM CST, from Houston, TX.
⚡ Installation: 🔴 Licensed Pro Only · 2–4 hrs · EPA 608 certified tools
Sealed-system work: recover, braze with the valve body heat-sinked, evacuate, weigh in the charge. Guidance only — when unsure, hire a licensed HVAC technician.
When this part fails, you'll typically see: high superheat/starving evaporator, frost on the coil, poor cooling under load.
Yes — 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.
Genuine Carrier Corporation (Payne is a Carrier brand) OEM — the same part your unit was built with, not an aftermarket substitute.
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.
Order before 3PM CST and it ships the same business day from Houston, TX.
This part is rated Licensed Pro Only (2–4 hrs typical). It involves the sealed refrigerant system or combustion safety — federal law requires an EPA 608 certified technician for refrigerant work.
OEM valves come factory-set for the unit. Verify superheat after installation; adjust only if the measurement says so.