making it suitable for air handling units where moisture or strict fire codes are a concern

The FV-4M1 relies on a vertical float mechanism to actuate the valve plug

This auxiliary block snaps onto the side of the definite purpose contactor frame

70" water column set point matches the equipment’s data plate

York S1-024-35929-000 Pressure Switch making it suitable for airThe 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