Is this model a relieving or non-relieving regulator

a significant drop often causes motors to overheat or fail to start

Field specs require a torque of 50-60 ft-lbs to prevent bypass leakage

packagaged systems

York S1-031-01954-000 Control Board Els PW 17895 Is this model a relievingThe York S1 031 01954 000 Control Board is a critical OEM defrost time temperature control designed specifically for York, Coleman, and Luxaire heat pump systems. As a veteran technician knows, maintaining a precise defrost cycle is essential for protecting the compressor and ensuring the outdoor coil remains free of ice during low ambient operation. This board serves as the direct replacement for legacy part numbers 031 01222 000, 031 01268 000, and