OEM Carrier Defrost Control Board HK32EA007 for Model PH13NA04200GABAA

This is the genuine OEM defrost control board (part number HK32EA007), the factory-specified replacement for the Carrier PH13NA04200GABAA heat pump. The defrost control board manages the timing and execution of the defrost cycle, monitoring outdoor coil temperature and run time to determine when frost accumulation on the evaporator coil requires a timed defrost burn-off. When this board fails, the outdoor coil ices over completely, heat output drops sharply, and the system may enter a safety lockout — leaving you with little to no heat on the coldest days.

• Part Number & Specs: OEM part HK32EA007 | Genuine Carrier defrost control board | Algorithmic defrost cycle logic | Direct factory replacement — no modifications required
• OEM vs Generic: OEM boards use factory-calibrated defrost timing algorithms matched to Carrier heat pump refrigerant circuits. Off-brand substitutes frequently use incorrect defrost termination thresholds, leading to short-cycling, coil icing, and compressor damage over time.
• Install Difficulty: 3/5 — Disconnect power at the breaker before opening the control panel. Photograph all wiring harness connections before removal. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, phone/camera for wiring reference. Label connectors before disconnecting. Allow 5 minutes after power-off before handling the board.
• Warranty: 1-year OEM manufacturer warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Engineered as a direct OEM replacement for Carrier model PH13NA04200GABAA heat pump systems. Always verify the part number on your existing board's label before ordering to confirm fitment. Our HVAC specialists are available to verify compatibility before you purchase — no guesswork required. Order now and get same-day shipping!