OEM Carrier Defrost Control Board HK32EA007 for Model PH13PR06000GAKAA

This is the genuine OEM defrost control board for the Carrier PH13PR06000GAKAA heat pump. The defrost control board manages automatic defrost cycles by monitoring outdoor coil temperature and elapsed run time, then energizing the reversing valve and auxiliary heat to melt accumulated ice from the outdoor coil. When this board fails, common symptoms include a continuously iced-over outdoor coil, a heat pump locked out in fault mode, no defrost cycle initiating, or the system running in emergency heat without cause. Replacing this board with the factory-specified OEM part restores precise defrost timing and protects compressor life.

• Specs: OEM Part Number HK32EA007 | Factory-matched defrost timing logic | Compatible with 24V control circuit | Direct drop-in board replacement — no field modification required
• OEM vs Generic: This OEM board is programmed with Carrier's exact defrost initiation and termination thresholds. Aftermarket boards may use generic timing curves that result in under- or over-defrosting, reducing system efficiency and shortening compressor life.
• Install difficulty: 3/5 — Requires disconnecting 24V low-voltage wiring harness and high-voltage connections. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, multimeter, phone or camera to photograph all wire connections before removal. Always disconnect power at the breaker before beginning. Label every wire terminal.
• Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our warehouse when ordered before 3PM local time.

Compatibility: Engineered as the direct OEM replacement for Carrier model PH13PR06000GAKAA heat pump systems. Always verify your existing board's part number against HK32EA007 and confirm control circuit voltage on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment at no charge — contact us before you order.