773-257

Ensure the safe and efficient operation of your heating system with this high-quality Goodman/Amana furnace pressure switch. As a vital air-proving safety component, this switch monitors the negative pressure generated by the draft inducer motor to verify that the exhaust system is venting correctly. By sensing a precise -0.37" WC (Water Column) vacuum, it acts as a gatekeeper, allowing the ignition process to proceed only when optimal airflow is confirmed. This replacement part is ideal for resolving common furnace issues such as failure to ignite, intermittent cycling, or pressure switch lockout error codes. Designed for reliability in high-efficiency gas furnaces, it helps maintain peak HVAC performance while protecting your home from unsafe operating conditions caused by venting obstructions or inducer failure.
Type: Air Pressure Switch
Size: Small
Application: Gas furnaces and HVAC heating systems requiring an air proving switch to monitor inducer blower vacuum levels.
Specifications: Pressure Setting: -0.37" WC (Water Column), Function: Air Proving/Safety Interlock, Configuration: Normally Open (N/O)