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

preventing leakage and ghost energy consumption in hydronic systems

large-gauge copper tubing

The domestic Apollo 26-304-01 features a robust soft metal seat and stuffing box

ensuring the pressure drop across the liquid line and evaporator remains within strict factory tolerances

maintaining consistent system CFM

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