York S1-024-35978-000 Pressure Switch allowing technicians to calibrate or

allowing technicians to calibrate or modify space temperature settings without removing the protective cover

this switch ensures the combustion sequence only proceeds when the burner box or heat exchanger maintains the necessary vacuum pressure for safe operation

Designed for seamless BAS integration

Engineered to interrupt the electrical circuit when the environment reaches a thermal threshold of 333°F (167°C)

This specific model is optimized for 60Hz operation

York S1-024-35978-000 Pressure Switch allowing technicians to calibrate orThe 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