York S1-024-35929-000 Pressure Switch The delay ensures that if

The delay ensures that if the system loses power or the thermostat cycles quickly

Common Questions When is the White-Rodgers F67-0918 required

erratic valve movement

Unlike manual reset rollout switches that require a physical button press

or blocked ductwork

York S1-024-35929-000 Pressure Switch The delay ensures that ifThe 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