York S1-024-34769-000 Pressure Switch Els PW 17895 By providing high-accuracy air velocity

By providing high-accuracy air velocity measurement

providing the exact BTU output required by the manufacturer’s specifications

Its heavy-duty construction provides the dimensional stability necessary to prevent "hunting" or vibration at high RPMs

0 µA usually indicate a dirty or failing probe

York S1-024-34769-000 Pressure Switch Els PW 17895 By providing high-accuracy air velocityThe York S1 024 34769 000 Pressure Switch is a high precision safety sensor specifically calibrated for York, Coleman, and Luxaire gas furnaces. This Normally Open (N O) differential switch monitors the vacuum created by the draft inducer motor to ensure proper combustion air flow before allowing ignition. With a factory calibrated 1. 60" WC set point and a 0. 4" WC reset, this component prevents the unit from operating under hazardous venting