773-151

This premium air pressure switch is a vital safety component for HVAC systems and gas furnaces. Designed to monitor the pressure differential within the combustion chamber, this air proving switch ensures that the inducer motor is creating sufficient airflow before allowing the ignition process to begin. A precise 0.65" WC (Water Column) set point provides reliable performance, preventing the heating system from operating under unsafe venting conditions. If your furnace is experiencing startup failures or cycling off prematurely, replacing a worn or faulty pressure switch can restore efficient operation and ensure proper venting. Engineered for durability and high-precision sensing, this component is essential for maintaining the safety and efficiency of residential heating equipment.
Type: Air Pressure Switch
Size: Standard
Application: Used in forced-air furnaces and HVAC units to monitor inducer blower performance and ensure safe exhaust venting.
Specifications: Pressure Setting: 0.65" WC; Type: Air Proving/Inducer Pressure Switch; Function: Normally Open