773-296

Ensure the safe and efficient operation of your heating system with this high-performance air pressure switch. Designed for gas furnaces and HVAC units, this air proving switch acts as a vital safety sensor by monitoring the negative pressure generated by the draft inducer motor. With a precise activation point of -1.05" WC, it confirms that the combustion blower is providing adequate airflow before allowing the ignition sequence to begin. This component is essential for preventing hazardous conditions such as improper venting or gas buildup. If your furnace is experiencing ignition failure or displaying pressure switch error codes, this reliable replacement part will help restore consistent heating performance and system safety.
Type: Air Pressure Switch
Size: Standard
Application: Residential gas furnaces, HVAC heating systems, and draft inducer motor assemblies.
Specifications: Pressure Set Point: -1.05" WC (Water Column); Function: Air Proving and Safety Interlock.