Precision Sensing: The 4-1/2 inch length is optimized for critical height monitoring in small tappings or dedicated sensor chambers

a different swivel or crank arm assembly may be required to maintain mechanical advantage

this SPST (Single Pole

and rooftop units

York S1-024-35978-000 Pressure Switch Precision Sensing: The 4-1/2 inchThe York S1 024 35978 000 Pressure Switch is a critical safety component designed for precise differential air pressure monitoring in York, Coleman, and Luxaire gas furnaces. Built to exact OEM specifications, this switch features a set point of . 67" WC (Water Column). As a Single Pole Normally Open (SPNO) device, the internal switch action is configured to close on fall, ensuring the combustion process only continues when the draft inducer motor