OEM Carrier Defrost Control Board HK32EA007 for Model CH13NA06000GAABA

This is the factory OEM defrost control board (part number HK32EA007) for the Carrier CH13NA06000GAABA heat pump condenser. The defrost control board manages the automatic defrost cycle, monitoring outdoor coil temperature and initiating timed defrost sequences to prevent ice buildup on the coil. When this board fails, symptoms include the outdoor unit freezing solid, the system failing to enter defrost mode, erratic short-cycling, or a complete system lockout with no heating output — even when the thermostat is calling for heat.

• Specs: OEM Part No. HK32EA007 | 24V control circuit compatible | Integrated defrost timer and temperature logic | Direct plug-and-play wiring harness fit for CH13NA06000GAABA
• OEM vs Generic: This is a genuine Carrier OEM board manufactured to exact factory specifications. Aftermarket defrost boards frequently use lower-grade relay components and imprecise defrost timing logic, leading to premature re-failure, coil icing, and potential compressor damage from prolonged undefrosted operation.
• Install difficulty: 3/5 — Requires disconnecting 24V and line-voltage wiring. Always shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, phone or camera to photograph wiring layout prior to removal. Label all wire terminals before disconnecting.
• Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship same business day from our warehouse.

Compatibility: Designed specifically for the Carrier CH13NA06000GAABA heat pump condenser. Verify OEM part number HK32EA007 on your existing board's label before ordering to confirm fitment. If you are unsure of compatibility, our HVAC parts specialists are available to verify fitment before you purchase — no guesswork required. In stock and ready to ship today.