If the boiler attempts to spark but fails to ignite or if you hear audible snapping inside the cabinet

swapping in this genuine HVAC temperature sensor restores the factory-spec safety sequence

Is minor handling of the carbide element safe

Color-Coded Identification: The brown spring designation allows for quick visual verification of the pressure rating during field service

Common Questions & Technical Support Is the 41-602 compatible with 80% and 90%+ AFUE furnaces

York S1-024-35265-000 Pressure Switch Els PW 17895 If the boiler attempts toMaintain critical system geometry and combustion safety with the York S1 024 35265 000 Pressure Switch. This genuine Source1 OEM replacement is engineered for multi stage gas furnaces, functioning as a high fire inductive load sensor within the draft inducer circuit. Calibrated to a . 55 1. 2" WC set point, this SPNO (Single Pole Normally Open) switch is designed to close on a fall in pressure, ensuring the inducer motor maintains the required static