In HVACR maintenance

It serves as a fan control relay

you significantly reduce lag time and improve thermal response accuracy

specifically the UDAP and UDAS series

York S1-024-34560-000 Pressure Switch Els PW 17895 In HVACR maintenanceThe York S1 024 34560 000 Pressure Switch is a critical OEM safety component engineered for precise inducer fan monitoring in specific York, Luxaire, and Coleman furnace models, including the GM9S080C16DH11A series. This dual action control is factory calibrated with a specific setpoint of . 80" x . 4" WC (Water Column), ensuring the combustion process only initiates when the draft inducer reaches the exact static pressure required for safe venting.