773-416

This premium air pressure switch is a vital safety component designed for American Standard and Trane heating systems. Functioning as an air proving switch, it monitors the draft and pressure within your gas furnace's combustion chamber. Specifically calibrated to a 0.65" WC (Water Column) set point, this sensor ensures that the inducer motor is creating sufficient airflow to safely exhaust flue gases before allowing the ignition process to begin. If your furnace is failing to ignite or displaying pressure switch circuit errors, this replacement part is essential for restoring reliable heating performance and ensuring safe appliance operation. Built for durability and precise tolerance, it serves as a critical fail-safe for residential HVAC units.
Type: Air Pressure Switch
Size: Standard HVAC Component
Application: Used in residential gas furnaces and HVAC heating systems to verify proper venting and inducer motor operation.
Specifications: Pressure Rating: 0.65" WC (Water Column); Type: Air Proving Safety Switch; Compatibility: Gas-fired furnaces and heating units.