OEM Carrier Defrost Control Board HK32EA001 for Model PH4RNG060000BBAA

This is the genuine OEM factory-replacement defrost control board (part number HK32EA001) for the Carrier PH4RNG060000BBAA heat pump. The defrost control board monitors outdoor coil conditions and initiates the defrost cycle to clear frost and ice buildup from the evaporator coil. When this board fails, your heat pump may remain locked in a frost-over state, lose heating efficiency dramatically, or trigger fault codes related to defrost timing — leaving your home without reliable heat during cold weather.

• Specs: OEM part number HK32EA001 | Replaces cross-references CEPL130524-01, CEBD430524-06A, 1173636, 1177927 | Adjustable defrost timing intervals | 24V control circuit | Genuine Carrier Factory Authorized Part
• OEM vs Generic: OEM boards are manufactured to exact Carrier tolerances with original connectors and certified timing circuits. Generic aftermarket boards often use ±10% tolerance components that can mistime defrost cycles, accelerating compressor and coil wear over time.
• Install difficulty: 3/5 — Disconnect power at the breaker before beginning. Tools needed: ¼" nut driver, flat-head screwdriver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Verify defrost heater and defrost thermostat are functional before replacing this board to confirm root cause.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse.

Compatibility: Designed as the direct OEM replacement for the Carrier PH4RNG060000BBAA heat pump. Also fits select Carrier, Bryant, and Payne heat pump models using the HK32EA001 defrost board. Always verify your unit's model and data plate before ordering. Our fitment team is available to confirm compatibility before you buy — ships same day when ordered before 3 PM.