OEM Carrier Defrost Control Board HK32EA001 for Model PH13NR024000ACAA

This is the genuine OEM Carrier defrost control board (part number HK32EA001), the factory-specified replacement for the Carrier PH13NR024000ACAA heat pump. The defrost control board monitors outdoor coil conditions and automatically initiates timed defrost cycles to prevent ice accumulation on the evaporator coil. When this board fails, you'll typically see persistent frost or ice buildup on the outdoor unit, the system stuck in continuous defrost mode, or a heat pump that delivers little to no heat on cold days. Cross-reference part numbers include: CEPL130524-01, CEBD430524-06A, 1173636, and 1177927.

• Specs: Carrier OEM Defrost Timer/Control Board | Part No. HK32EA001 | Compatible defrost timing intervals: 30, 60, and 90 minutes | 24V control circuit | Direct plug-in connector replacement
• OEM vs Generic: This is a genuine Carrier Factory Authorized Part — not an aftermarket clone. OEM boards are manufactured to exact factory tolerances, ensuring reliable defrost timing and safe reversing valve sequencing. Aftermarket boards may use off-spec timing circuits that cause premature re-icing or compressor stress.
• Install difficulty: 3/5 — Requires shutting down and locking out the heat pump at the disconnect. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, a smartphone to photograph wiring before disconnection. Note: if upgrading from HK32EA007, set defrost time selection to 60 minutes on the 001 board. Always confirm no frost damage to other components before powering the unit back on.
• Warranty: 1-year OEM manufacturer warranty. In-stock and ships same business day from our warehouse.

Compatibility: Designed as the direct OEM replacement for Carrier PH13NR024000ACAA heat pumps. Also fits select Carrier, Bryant, and Payne heat pump models using the HK32EA001 board — verify your model's data plate and existing part number before ordering. Need help confirming fitment? Our HVAC parts specialists are available to verify compatibility before you buy.