Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
This is the OEM factory-specified defrost control board for the Carrier PH3PNA060000AA heat pump. The defrost control board serves as the operational brain of your heat pump's defrost system — constantly monitoring sensors and safety switches, then coordinating the defrost cycle to prevent ice buildup on the outdoor coil. When this board fails, you may experience symptoms such as the unit failing to enter or exit defrost mode, the system running continuously without heating, erratic operation, or a complete loss of heat pump function. Replacing this board with the correct OEM part restores factory-calibrated defrost timing and sequencing.
Compatibility: Designed for the Carrier PH3PNA060000AA heat pump. Cross-references include CESO130076-00, HK32EA008, CEPL130433-02, and CEBD430433-09A. Always verify your existing board's part number against your unit's wiring diagram before ordering. Have a question about fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today and ship tomorrow.