773-369

This premium air pressure switch is a vital safety component for HVAC systems, designed to monitor and verify proper airflow within furnace and air handling units. Functioning as an air proving switch, it detects specific pressure changes to ensure the combustion blower or inducer motor is operating correctly before allowing the system to proceed with ignition. Featuring a precise -0.07" WC (Water Column) set point and a Single Pole Double Throw (SPDT) electrical configuration, this switch offers reliable performance and versatile wiring options. It is an essential replacement part for maintaining the safe, efficient operation of heating and cooling equipment, helping to prevent the buildup of dangerous gases by ensuring adequate venting and draft.
Type: Air Pressure Switch
Size: Compact
Application: Used in residential and commercial HVAC units, furnaces, and air handlers to verify airflow and draft pressure for safe system operation.
Specifications: Set Point: -0.07" WC (Water Column); Switch Logic: SPDT (Single Pole Double Throw); Function: Air Proving and Safety Limit