773-194

This premium air pressure switch is a vital safety component designed for high-efficiency gas furnaces and HVAC heating systems. Calibrated to a precise -0.60" WC (Water Column) set point, this single-port air proving switch monitors the draft created by the inducer motor to ensure exhaust gases are properly vented before the ignition cycle begins. If your furnace is experiencing ignition failure or displaying pressure switch circuit errors, this replacement part is essential for restoring safe and efficient heating performance. Built for durability and reliability, it serves as a critical fail-safe to protect your system from improper combustion conditions.
Type: Air Pressure Switch
Size: Standard HVAC component
Application: Used in residential gas furnaces and heating units to verify proper airflow and venting during the combustion process.
Specifications: Set Point: -0.60" WC; Configuration: Single Port; Function: Air Proving/Safety Interlock