York 331-02957-000 Control Board Kit R-410A automatically closing the valve upon

automatically closing the valve upon power loss to prevent uncontrolled flow or overheating

used in many 80% and 90%+ AFUE 2-stage gas furnaces

making it suitable for gravity-fed or low-pressure systems

the kit includes a packet of high-grade silicone gel necessary for ensuring the O-rings and quad rings slide correctly into place without tearing during installation

Technicians will appreciate the factory-mounted secondary fuse clips which save critical panel space and reduce wiring complexity during field integration

York 331-02957-000 Control Board Kit R-410A automatically closing the valve uponThe York 331 02957 000 Control Board Kit is a critical OEM replacement component designed specifically for managing the defrost cycles and sequence of operations in York heat pump systems. As a veteran technician, you know that timing and accuracy are paramount when preventing coil freeze ups; this defrost control board utilizes advanced sensors and logic to monitor frost accumulation on the evaporator coils and initiate a reversal of the