vibration-free installation

it maintains tight calibration tolerances to prevent nuisance tripping while ensuring furnace high limit protection in demanding flanged mount applications

extending the service life of the outdoor fan motor and reversing valve

ensuring a tight seal that prevents airborne contaminants from entering the reservoir while minimizing heat transfer

Use a compatible thread sealant and tighten 2-1/2 turns past hand-tight for optimal results

York S1-024-35979-000 Pressure Switch vibration-free installationThe York S1 024 35979 000 Pressure Switch is a critical safety component engineered for York, Coleman, and Luxaire residential and commercial furnaces. This OEM furnace pressure switch is calibrated to a specific set point of 0. 15" WC (Water Column), featuring a Single Pole Normally Open (SPNO) configuration that is designed to close on a fall in pressure. As a veteran technician knows, this switch monitors the negative pressure generated by the