OEM Carrier Defrost Control Board HK32EA001 for Model PH14NA03600GBAAA

This is the genuine OEM defrost control board (part number HK32EA001) for the Carrier PH14NA03600GBAAA heat pump. The defrost control board monitors outdoor coil temperature and run time, then initiates timed defrost cycles to melt frost accumulation on the outdoor unit. When this board fails, the heat pump loses its ability to defrost — leading to progressive ice buildup on the outdoor coil, sharply reduced heating capacity, and eventual system lockout. If your Carrier heat pump is running but the outdoor unit is heavily iced over in heating mode, this board is the first component to test and replace.

• OEM Part Number: HK32EA001 | Also cross-references: CEPL130524-01, CEBD430524-06A, 1173636, 1177927 | Factory-authorized Carrier replacement component
• OEM vs Generic: This is the genuine Carrier factory board — not an aftermarket clone. OEM boards use exact tolerance components and validated firmware logic, ensuring your defrost timing sequences match factory specifications and protecting your compressor from frost-related damage.
• Install Difficulty: 3/5 — Shut off power at the disconnect before opening the control panel. Tools needed: ¼" nut driver, Phillips screwdriver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Note the defrost time selection jumper position before removal and match it on the new board.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse.

Compatibility: Designed for the Carrier PH14NA03600GBAAA heat pump and other select Carrier, Bryant, and Payne heat pump models using the HK32EA001 board. Always verify your model and serial number against your unit's data plate before ordering. Have a question about fitment? Our HVAC parts specialists confirm compatibility before you buy — contact us today. In stock and ships today.