773-364

This premium 0.38" WC SPST air pressure switch is a critical safety component designed for residential gas furnaces and HVAC systems. As an essential air proving switch, its primary function is to monitor the pressure generated by the inducer motor, ensuring that exhaust gases are being properly vented before the ignition sequence begins. If your heating system is experiencing ignition failure or frequent cycling, a malfunctioning pressure switch may be the cause. This replacement part provides reliable performance and precision sensing to keep your furnace operating safely and efficiently throughout the heating season. Engineered for durability, it serves as a direct safeguard for your home's climate control system.
Type: Air Pressure Switch
Size: Small
Application: Used in residential gas furnaces and HVAC heating units to verify proper airflow and inducer motor operation for combustion safety.
Specifications: 0.38" Water Column (WC) trip point, Single Pole Single Throw (SPST) switch configuration, normally open contact.