773-083

This high-quality replacement two-stage air pressure switch is a critical safety component designed for high-efficiency gas furnaces. As an essential air proving switch, it monitors the pressure generated by the draft inducer motor to ensure that exhaust gases are being safely vented out of the heat exchanger. If your furnace is failing to ignite or is throwing a pressure switch error code, this component may need replacement to restore reliable heating. Engineered for precision, this switch features dual-stage settings to accommodate different firing rates, ensuring the system only operates when proper airflow is detected. By preventing the burner from igniting under unsafe venting conditions, this part protects your home and maintains the efficiency of your HVAC system. It is a durable solution for furnace repair and seasonal maintenance.
Type: Air Pressure Switch
Size: Standard HVAC pressure switch
Application: Used in multi-stage residential gas furnaces and high-efficiency heating systems to verify proper venting and inducer motor operation.
Specifications: Two-stage operation; Pressure settings: -0.17" WC / -0.86" WC; Designed for use with draft inducer blowers and air proving applications.