York S1-024-32011-000 Pressure Switch Els PW 17895 How is the unit powered

How is the unit powered

change the pad at the start of every heating season

Replacing it with a standard 2-pole may require re-wiring the crankcase heater circuit

Common Questions: What happens if the 3H0400780002 limit switch fails

It monitors the differential pressure within the heat exchanger

York S1-024-32011-000 Pressure Switch Els PW 17895 How is the unit poweredThe York S1 024 32011 000 Pressure Switch is a high precision safety component engineered for combustion air monitoring in York, Coleman, and Luxaire gas fired furnaces. This OEM York replacement part features a specific 1. 0 . 45 . 2 calibration, ensuring the draft inducer motor establishes the necessary static pressure before the ignition sequence initiates. As a Normally Open (N O) pressure switch, it acts as a critical fail safe, preventing burner