York S1-024-34685-000 Pressure Switch Els PW 17895 Zero Leakage: Internal PTFE seats

Zero Leakage: Internal PTFE seats and a chrome-plated ball ensure bubble-tight shutoff

reducing unnecessary wear on the thermostat's control circuit

Replacing the 889221 assembly during routine maintenance prevents mechanical binding and ensures responsive automatic water feeding

Class 2 Power Limiting: Designed to provide a safe

including barbecue grills

York S1-024-34685-000 Pressure Switch Els PW 17895 Zero Leakage: Internal PTFE seatsThe York S1 024 34685 000 Pressure Switch is an essential OEM safety component engineered for precise monitoring of the inducer draft and combustion venting cycles. This normally open (N O) pressure switch is factory calibrated with a multi stage setpoint configuration of . 75 1. 1 . 4 in. WC (Inches Water Column). By verifying that the draft inducer motor is moving a sufficient volume of air to safely exhaust combustion gases, this furnace air