York 331-02957-000 Control Board Kit R-410A M7-M8) with precise timing intervals

M7-M8) with precise timing intervals ranging from 1 to 160 seconds for both "on" and "off" cycles

making it an ideal choice for airflow monitoring and combustion byproduct sensing

Correct installation within V43B series water valves restores factory-spec response times for peak system efficiency

though it includes the critical gasket for leak-proof installation

this 120VAC replacement coil is compatible with GC Valves S201

York 331-02957-000 Control Board Kit R-410A M7-M8) with precise timing intervalsThe 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