773-111

Ensure your heating system operates safely and efficiently with this premium air pressure switch. Designed for Trane and American Standard HVAC units, this air proving switch is a vital safety component that monitors the airflow and pressure within your furnace's combustion chamber. It ensures the draft inducer motor is functioning correctly and that exhaust gases are being properly vented before allowing the ignition process to begin. If your furnace is failing to ignite or shutting down unexpectedly, this pressure switch may be the necessary fix. Built for durability and precise calibration, it helps maintain the reliable performance of high-efficiency residential gas furnaces.
Type: Air Pressure Switch
Size: Standard HVAC Component
Application: Used in residential gas furnaces and air handlers to monitor inducer motor pressure and ensure safe venting of combustion gases.
Specifications: 1.40 inch WC (Water Column) pressure setpoint, air proving safety functionality.