OEM Carrier Defrost Control Board HK32EA001 for Model PH15NB06000GBBAA

This is the genuine OEM Carrier defrost control board (part number HK32EA001), factory-specified for the Carrier PH15NB06000GBBAA heat pump. The defrost control board monitors outdoor coil conditions and initiates timed defrost cycles to prevent frost and ice accumulation on the evaporator coil. When this board fails, the heat pump will either stay locked in a continuous defrost loop, never enter defrost at all, or lose heating capacity as ice builds up unchecked on the outdoor coil — symptoms that closely mimic refrigerant or compressor issues and are frequently misdiagnosed in the field.

• OEM Part Number: HK32EA001 | Also supersedes: CEPL130524-01, CEBD430524-06A, 1173636, 1177927 | Genuine Carrier Factory Authorized Part
• OEM vs Generic: Genuine OEM boards are manufactured to exact Carrier tolerances, ensuring correct defrost timing intervals (30/60/90 min selectable), proper reversing valve sequencing, and verified relay ratings. Aftermarket boards vary widely in relay quality and timing accuracy, risking premature compressor wear or repeat failures.
• Install difficulty: 3/5 — Disconnect power at the breaker and verify zero voltage before touching any board terminals. Tools needed: insulated screwdrivers, needle-nose pliers, multimeter, zip ties. Photograph all wiring harness connections before removal. Note defrost time jumper setting on the old board and replicate exactly on the new one.
• Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our warehouse in original Carrier packaging.

Compatibility: Designed for the Carrier PH15NB06000GBBAA heat pump. Also fits a broad range of Carrier, Bryant, and Payne heat pump models sharing the HK32EA001 board specification — verify your unit's data plate part number before ordering. Our technical team is available to confirm fitment. Order today and ship same day — get your heat pump out of defrost lockout fast.