OEM Carrier Defrost Control Board HK32EA001 for Model PH10PA06000GACAA

This is the genuine OEM Carrier defrost control board (part number HK32EA001), the factory-specified replacement for the Carrier PH10PA06000GACAA heat pump. The defrost control board monitors outdoor coil temperature and elapsed run time, then initiates and terminates the defrost cycle to prevent ice buildup on the outdoor unit. When this board fails, symptoms typically include the outdoor coil freezing solid, the heat pump staying locked in cooling mode during cold weather, erratic defrost cycling, or a complete failure to produce heat. Without a functioning defrost board, the reversing valve cannot properly switch modes and efficiency drops dramatically.

• OEM Part Number: HK32EA001 | Board ID: CEPL130524-01 | Voltage: 24V | Phase: 1-Phase | Amperage: 5A | Dimensions: approx. 6" × 4"
• OEM vs Generic: This is a genuine Carrier Factory Authorized Part, engineered to exact timing and threshold specifications. Aftermarket boards often use imprecise defrost termination logic, causing premature cycling, short-run faults, or chronic icing — accelerating compressor wear and voiding system warranties.
• Install Difficulty: 3/5 — Requires disconnecting 24V control wiring, outdoor sensor leads, and relay harnesses. Always power down the unit at the disconnect and breaker before beginning. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, smartphone camera for wiring documentation, and a multimeter to verify 24V supply. Most experienced DIYers complete this in 30–45 minutes.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse. Free ground shipping on orders over $99.

Compatibility: Engineered as the direct OEM replacement for the Carrier PH10PA06000GACAA heat pump. Also fits additional Carrier, Bryant, and Payne heat pump models — verify your unit's data plate and existing board markings before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us today and ship the same day.