OEM Carrier Defrost Control Board HK32EA001 for Heat Pump Model PH10JA03600GAEAA

This is the genuine OEM Carrier defrost control board (part number HK32EA001), the factory-specified replacement for the Carrier PH10JA03600GAEAA heat pump. The defrost control board monitors outdoor coil conditions and governs the timing and duration of the defrost cycle — a critical function in heat pump operation. When this board fails, the outdoor coil can ice over completely, the unit may remain stuck in cooling mode during heating demand, or the system may short-cycle with no defrost event initiating. These symptoms often worsen during cold weather when defrost cycles are most critical.

• Specs: 24V control circuit | Board ID: CEPL130524-01 / CEBD430524-06A | Single-phase | 5A | Dimensions approx. 6" × 4" | Includes defrost timer relay and reversing valve output
• OEM vs Generic: This OEM board is factory-programmed with Carrier's precise defrost timing intervals and safety lockout logic. Aftermarket boards may use incorrect defrost intervals, leading to coil icing, compressor damage, or nuisance lockouts over time.
• Install difficulty: 3/5 — Disconnect power at the disconnect box before servicing. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, phone or camera to photograph all wiring harness connections prior to removal. Board mounts via standoff screws; all connectors are keyed for correct reinstallation.
• Warranty: 1-year OEM factory warranty. In stock and ships same business day from our warehouse.

Compatibility: Designed as the direct OEM replacement for the Carrier PH10JA03600GAEAA heat pump. Also fits other Carrier, Bryant, and Payne heat pump models using the HK32EA001 board — always verify your unit's data plate and existing board part number before ordering. Need help confirming fitment? Our HVAC parts specialists are standing by.