preventing damage to the compressor and condenser coil

large-knob interface is ideal for applications requiring straightforward temperature management

Precision Components: Includes high-grade brass burner orifices and a pressure regulator spring to maintain optimal fuel-to-air ratios

Engineered specifically for Wayne FH oil burners and compatible with firing rates from 4 to 13 GPH

York S1-331-01975-102 Control Board Els PW 17895 preventing damage to the compressorThe York S1 331 01975 102 is a high performance demand defrost control board kit engineered to restore and optimize heat pump efficiency in residential and light commercial systems. This genuine York OEM replacement manages the refrigeration cycle by monitoring ambient and liquid line temperatures, initiating a defrost sequence only when ice accumulation is detected on the outdoor coil. By eliminating unnecessary timed cycles, this board reduces