OEM Carrier Defrost Control Board HK32EA001 for Model PH10JA024000AEAA

This is the genuine OEM Carrier defrost control board (part number HK32EA001), the factory-specified replacement for the Carrier PH10JA024000AEAA heat pump. The defrost control board monitors outdoor coil temperature and initiates timed defrost cycles to prevent ice buildup on the outdoor coil — a critical function for maintaining heating efficiency in cold weather. When this board fails, common symptoms include the outdoor unit freezing solid, the system failing to enter or exit defrost mode, the reversing valve not switching correctly between heating and cooling, or a full system lockout with no heat output.

• OEM Part Number: HK32EA001 | Also cross-references: CEPL130524-01, CEBD430524-06A, 1173636 | Factory-authorized replacement for Carrier PH10JA024000AEAA heat pumps
• OEM vs Generic: Genuine Carrier OEM boards are factory-calibrated for precise defrost timing and coil temperature thresholds. Aftermarket boards may use wider tolerances, risking incomplete defrost cycles, premature compressor wear, or repeated icing events.
• Install Difficulty: 3/5 — Requires shutting off power at the disconnect and breaker before proceeding. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, smartphone for wiring photos. Photograph all connector positions before removal. Each harness plug is keyed, but confirming orientation before reinstallation prevents callbacks.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered as a direct fit for the Carrier PH10JA024000AEAA heat pump. Also fits select Bryant and Payne heat pump models sharing the HK32EA001 board specification — verify your unit's data plate and existing board part number before ordering. Our HVAC parts specialists are available to confirm fitment prior to purchase. Order before 3 PM and your part ships today.