773-272

Ensure your heating system operates safely and efficiently with this premium air pressure switch, designed for high-efficiency gas furnaces. This air proving switch acts as a critical safety component by monitoring the negative pressure created by the inducer blower motor. It confirms that the exhaust flue is clear and that there is sufficient airflow for safe combustion before allowing the furnace to ignite. If your HVAC system is failing to start or cycling off due to pressure-related error codes, this replacement switch—calibrated to -0.60" WC—is essential for restoring reliable heating performance. Built for durability and precision, it helps maintain the integrity of your furnace's safety circuit.
Type: Air Pressure Switch
Size: Standard compact HVAC profile
Application: Used in residential gas furnaces and high-efficiency heating systems to monitor inducer motor pressure and ensure proper exhaust venting.
Specifications: Pressure Rating: -0.60" WC (Water Column); Type: Air Proving/Safety Interlock