773-158

Ensure your heating system operates safely and efficiently with this premium replacement Air Pressure Switch, specifically engineered for Trane and American Standard residential furnaces. As a critical safety component, this air proving switch monitors the pressure generated by the inducer fan to ensure proper venting of combustion gases before the ignition sequence begins. If your furnace is short-cycling or displaying common pressure switch error codes, this 1.00" WC sensor is the ideal solution to restore reliable heating performance. Built for durability and high-precision sensing, it helps prevent hazardous conditions by verifying airflow and system integrity during every start-up cycle. This genuine-style replacement part is essential for maintaining the factory-standard safety protocols of your HVAC equipment.
Type: Air Pressure Switch / Air Proving Switch
Size: Small
Application: Designed for use in residential gas furnaces and high-efficiency heating systems to verify inducer motor airflow and vent pressure.
Specifications: Pressure Setting: 1.00" WC (Water Column); Function: Air Pressure Sensing and Safety Cut-off; Media: Air