OEM Carrier Defrost Control Board HK32EA001 for Model PH3ANA030000BCAA

This OEM defrost control board is the factory-specified replacement for the Carrier PH3ANA030000BCAA heat pump. The defrost control board monitors outdoor coil temperature and initiates timed defrost cycles to prevent ice buildup on the outdoor unit. When this board fails, the heat pump may stay locked in a continuous defrost cycle, fail to defrost entirely — causing the outdoor coil to ice over — or exhibit erratic reversing valve behavior that results in inadequate heating or cooling output.

• Specs: OEM Part # HK32EA001 | Cross-reference: CEPL130524-01, CEBD430524-06A | 24V control circuit | 1-phase | 5A | Compatible board dimensions: 6" × 4"
• OEM vs Generic: This is the genuine Carrier Factory Authorized Part (FAP). OEM boards are pre-calibrated to exact defrost timing and temperature thresholds for your model, eliminating the guesswork and potential compatibility risks of aftermarket alternatives.
• Install difficulty: 3/5 — Disconnect power at the breaker before beginning. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, multimeter, camera/phone to photograph wiring before disconnecting. Label all low-voltage wires at the board terminals prior to removal.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Designed as a direct OEM replacement for the Carrier PH3ANA030000BCAA heat pump split system. Also fits select 38YCG and 538BNR series units — verify your OEM part number on the unit data plate or existing board before ordering. Our HVAC parts specialists are available to confirm fitment. Order today — in stock and ships same day!