York S1-024-35929-000 Pressure Switch allowing for efficient drainage without

allowing for efficient drainage without the risk of thread galling or premature seal failure

High Heat Resilience: Equipped with a silicone disc and stainless steel spring for consistent operation up to 250°F

repeatable actuation and long-term reliability in demanding environments

this professional kit is confirmed for use with the 21-200 series as well as the standard 20-series bronze water gauges

Precision Calibrated Protection: Fixed 185°F cutout and 105°F differential prevent heat exchanger fatigue and potential stress fractures

York S1-024-35929-000 Pressure Switch allowing for efficient drainage withoutThe York S1 024 35929 000 Pressure Switch is a critical safety component designed for precise HVAC airflow monitoring in high efficiency systems. Calibrated to a 0. 15" WC set point, this SPNO (Single Pole Normally Open) switch is engineered to close on a fall in pressure, ensuring the draft inducer has established a proper vacuum before allowing the ignition sequence to proceed. As the direct replacement for 024 35812 000, this OEM part maintains