OEM Carrier Defrost Control Board HK32EA001 for Model PH10JA02400GAHAA

This is the genuine OEM defrost control board (part number HK32EA001), the factory-specified replacement for the Carrier PH10JA02400GAHAA heat pump. The defrost control board monitors outdoor coil conditions and governs when the unit enters and exits its defrost cycle. When this board fails, the outdoor coil will ice over unchecked, refrigerant flow becomes restricted, and the system loses heating capacity — often triggering fault codes or causing the unit to short-cycle entirely. Left unresolved, a failed defrost board can place extreme strain on the compressor, leading to far costlier repairs.

• Specs: 24V control circuit | Board model CEPL130524-01 | Single-phase | Compatible relay configuration Potter & Brumfield T9AS2D22-24 | Dimensions approx. 6" × 4"
• OEM vs Generic: This is a genuine Carrier Factory Authorized Part — not an aftermarket clone. OEM boards carry exact firmware timing, relay ratings, and connector layouts. Generic boards frequently use off-spec relays and inconsistent defrost intervals, risking compressor damage over time.
• Install Difficulty: 3/5 — Requires disconnecting power at the breaker and discharging any stored voltage before board removal. Tools needed: Phillips and flat-head screwdrivers, needle-nose pliers, phone camera (photograph all wiring harness connections before unplugging). Take note of defrost timer jumper positions before swapping boards.
• Warranty: 1-year OEM manufacturer warranty. Ships same business day from our climate-controlled warehouse.

Compatibility: Engineered for the Carrier PH10JA02400GAHAA heat pump. Cross-references include board numbers CEPL130524-01 and CEBD430524-06A. Also fits select Bryant and Payne heat pump models that share the HK32EA001 specification — verify your unit's data plate and existing board markings before ordering. Have questions about fitment? Our HVAC parts specialists verify compatibility before you buy — no guesswork.