York S1-024-35903-000 Pressure Switch 320074-702 Common indicators include no spark

Common indicators include no spark at the pilot

Optimized Startup: Reduces mechanical wear by ensuring oil is at the correct viscosity immediately upon activation

maintaining terminal compatibility for standard applications

5 Amps and an ambient temperature rating up to 175°F

This unit is housed in a robust NEMA 1 enclosure

York S1-024-35903-000 Pressure Switch 320074-702 Common indicators include no sparkThe York S1 024 35903 000 is a high precision dual stage pressure switch engineered for modern high efficiency gas furnaces. This component is critical for monitoring the static pressure generated by the draft inducer blower, ensuring the combustion process only initiates under safe venting conditions. With factory calibrated set points of . 45" WC and . 85" WC, this switch provides granular feedback to the integrated furnace control board regarding