773-308

Ensure the safe and efficient operation of your heating system with this premium air pressure switch. Designed for high-efficiency gas furnaces, this air-proving switch monitors the negative pressure generated by the inducer motor to verify proper airflow and venting before allowing the ignition sequence to begin. As a vital safety component, it prevents the furnace from operating under unsafe conditions, such as a blocked flue, restricted intake, or inducer motor failure. This replacement pressure switch is engineered for precision and reliability, making it an essential part for HVAC maintenance and furnace repair. If your heating system is failing to ignite or displaying pressure-related error codes, this vacuum switch is the ideal solution to restore consistent home comfort and safety.
Type: Air Pressure Switch
Size: Standard
Application: Used in residential gas furnaces and HVAC heating systems to monitor inducer motor performance and flue venting safety.
Specifications: Pressure Rating: -1.20" WC (Water Column); Type: Air Proving/Vacuum Switch; Application: Combustion safety circuit