OEM Carrier Defrost Control Board HK32EA007 for Model PH13PB06000GAAAA

This is the genuine OEM Carrier defrost control board (part number HK32EA007), the factory-specified replacement for the Carrier PH13PB06000GAAAA heat pump. The defrost control board monitors outdoor coil temperature and initiates timed defrost cycles to melt frost and ice accumulation on the evaporator coil. When this board fails, the heat pump may lock up in a solid sheet of ice, run continuously in defrost mode, or fail to deliver adequate heating — symptoms that escalate quickly into compressor damage if left unaddressed.

• Part Number: HK32EA007 | Also cross-references: 1173636, 1177927 | Genuine Carrier OEM — not an aftermarket substitute
• OEM vs Generic: OEM boards are programmed with Carrier's exact defrost timing and temperature thresholds. Aftermarket boards often use generic timing logic that can under- or over-defrost, reducing efficiency and shortening compressor life.
• Install Difficulty: 3/5 — Requires disconnecting 24V control wiring and low-voltage connectors. Tools needed: Phillips and flat-head screwdrivers, needle-nose pliers, multimeter. Always power down the unit at both the disconnect and breaker before removing the board. Photograph all wiring harness connections before removal.
• Warranty: 1-year OEM manufacturer warranty. Ships same business day from our warehouse when ordered by 3 PM local time.

Compatibility: Designed for the Carrier PH13PB06000GAAAA heat pump. Cross-reference your existing board's part number and verify connector layout before ordering. This board also replaces legacy part numbers 1173636 and 1177927 in applicable configurations. Not sure if this is the right board? Our HVAC parts specialists verify fitment before you order — contact us and we'll confirm compatibility fast.