York S1-024-35977-000 Pressure Switch 322056-301 ensuring the system cannot fire

ensuring the system cannot fire until the vent is cleared

meaning it will re-engage once the temperature falls back into the safe operating range

this unit typically includes the GKT04075 gasket

For contractors performing HVAC blower motor service

York S1-024-35977-000 Pressure Switch 322056-301 ensuring the system cannot fireThe York S1 024 35977 000 Pressure Switch is a critical OEM safety component designed for precise draft inducer monitoring within York, Coleman, and Luxaire gas fired furnaces. As a high reliability furnace air pressure switch, this part ensures the combustion blower is generating the necessary static pressure to safely vent flue gases before the ignition sequence begins. Built to exact Johnson Controls specifications, this switch prevents operation