OEM Carrier Defrost Control Board HK32EA001 for Model PH13NR02400GAFAA

This is the genuine OEM defrost control board for the Carrier PH13NR02400GAFAA heat pump. The defrost board monitors outdoor coil conditions and initiates timed defrost cycles to prevent ice buildup on the evaporator coil. When this board fails, the outdoor unit can frost over completely, causing the heat pump to lose heating capacity, short-cycle, or lock out entirely — leaving you without heat on the coldest days. Cross-reference part numbers include CEPL130524-01, CEBD430524-06A, 1173636, and 1177927.

• Specs: OEM Carrier defrost timer board | Compatible with 30 / 60 / 90-minute defrost timing selections | 24V control circuit | Fits Carrier, Bryant, and Payne heat pump platforms sharing this board design
• OEM vs Generic: This is the factory-original Carrier board — not an aftermarket substitute. OEM boards maintain exact timing tolerances and relay ratings, protecting your compressor and reversing valve from premature wear caused by off-spec defrost cycles.
• Install difficulty: 3/5 — Shut off power at the disconnect and breaker before opening the control panel. Tools needed: ¼" and 5/16" nut drivers, needle-nose pliers, multimeter, and phone/camera to photograph all wiring before disconnecting. Verify defrost timing jumper position on replacement board before power-up.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Designed for the Carrier PH13NR02400GAFAA heat pump condenser. Also fits select Carrier, Bryant, and Payne heat pump models sharing the HK32EA001 board. Always verify your existing board's part number on the component label before ordering. Have a fitment question? Our HVAC parts team confirms compatibility before you buy.