OEM Carrier Defrost Control Board HK32EA001 for Model PH13NR036000AHAA

This is the genuine OEM defrost control board (part number HK32EA001), the factory-specified replacement for the Carrier PH13NR036000AHAA heat pump split system. The defrost control board governs your heat pump's defrost cycle — sensing outdoor coil temperature and initiating timed defrost sequences to clear ice buildup from the outdoor unit. When this board fails, common symptoms include the outdoor coil freezing solid, the reversing valve failing to switch between heating and cooling modes, or the unit getting stuck in continuous defrost. Left unaddressed, a failed defrost board will significantly reduce efficiency and can cause compressor damage.

• Specs: 24V control voltage | 5A rated | Board ID: CEPL130524-01 / CEBD430524-06A | Direct OEM replacement — no modifications required
• OEM vs Generic: OEM boards carry factory-programmed defrost timing logic and relay configurations precisely matched to the PH13NR036000AHAA. Aftermarket boards may use approximated timing intervals that reduce efficiency or cause nuisance lockouts.
• Install difficulty: 3/5 — Disconnect power at the breaker before beginning. Tools needed: 1/4" nut driver, flathead screwdriver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Note: discharge any capacitors before working near the control panel.
• Warranty: 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Designed for the Carrier PH13NR036000AHAA heat pump split system. Verify part number HK32EA001 on your unit's wiring diagram or data plate before ordering. Cross-references include board IDs CEPL130524-01 and CEBD430524-06A. Not sure if this is the right board? Our HVAC parts specialists verify fitment before you purchase — contact us today. In stock and ready to ship.