OEM Carrier Defrost Control Board HK32EA001 for Model PH10JA03600GAFAA

This is the genuine OEM defrost control board (part number HK32EA001), the factory-specified replacement for the Carrier PH10JA03600GAFAA heat pump. The defrost control board manages and times your unit's defrost cycles — periodically reversing refrigerant flow to melt frost accumulation off the outdoor coil. When this board fails, the most common symptoms include a heat pump that stays locked in cooling mode during cold weather, an outdoor coil that ices over and never clears, or a unit that runs continuously without ever initiating a defrost cycle. Left unaddressed, a failed defrost board can lead to compressor damage and a significantly shortened system lifespan.

• Specs: 24V control voltage | Board model CEPL130524-01 | 1-phase | Factory-matched relay and timing circuits | Cross-references: CEBD430524-06A, 151922
• OEM vs Generic: This is a genuine Carrier Factory Authorized Part — not an aftermarket substitute. OEM boards use factory-calibrated defrost timing intervals and relay ratings, ensuring the defrost cycle matches your unit's refrigerant charge and coil design. Generic boards can mis-time defrost cycles, leading to efficiency loss or repeat icing.
• Install difficulty: 3/5 — Disconnect power at the breaker before beginning. Photograph all wiring harness connections before removal. Board mounts to the control panel with standard screws; all connectors are keyed for correct reinstallation. Tools needed: Phillips screwdriver, 1/4" nut driver, needle-nose pliers, smartphone for photos. Recommend verifying defrost sensor and defrost thermostat before replacing the board.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Designed for the Carrier PH10JA03600GAFAA heat pump. Also fits select Carrier, Bryant, and Payne heat pump models — verify your OEM part number on the unit's data plate or control board label before ordering. Our team is available to confirm fitment prior to purchase. Order now and we'll ship today.