York S1-2940-3151 Pressure Switch Els PW 17895 preventing leakage and ghost energy

preventing leakage and ghost energy consumption in hydronic systems

facilitating a transition from the older Red Hat cap style to a more secure metal fastening system

large-gauge copper tubing

Field Conversion Compatibility: Designed for seamless integration during natural gas conversion or as a standard maintenance replacement part for existing Trane/American Standard units

York S1-2940-3151 Pressure Switch Els PW 17895 preventing leakage and ghost energyThe York S1 2940 3151 Pressure Switch is a critical safety component designed for specific York, Luxaire, and Coleman gas fired furnaces. Calibrated to a . 3" WC set point, this SPST (Single Pole Single Throw) normally open switch monitors the pressure differential created by the inducer motor to ensure proper venting before the ignition sequence begins. It serves as a direct OEM replacement for older York furnace pressure switches, maintaining the