773-018

This high-performance furnace air pressure switch is a critical safety component designed to monitor the draft inducer motor in residential heating systems. As an essential air proving switch, it ensures that your furnace is venting exhaust gases correctly before allowing the ignition sequence to proceed. If your HVAC system is experiencing ignition failure or frequent cycling, a reliable pressure switch replacement can restore safe and efficient operation. This part is engineered to detect precise pressure changes, providing a vital safeguard against venting malfunctions in forced-air gas furnaces.
Type: Air Pressure Switch
Size: Standard HVAC Component
Application: Used in residential gas furnaces and HVAC heating systems to prove airflow and ensure proper venting of combustion gases.
Specifications: Pressure Setting: 0.75" WC (Water Column); Function: Air Proving/Safety Interlock; Application: Draft Inducer Monitoring.