A tripped switch usually indicates a blocked vent

Smith commercial boiler series effectively

ensuring safe and reliable pilot flame sensing

Fail-Safe Operation: Mechanical spring return ensures the damper moves to a safe position during power or air loss

ensuring proper alignment with existing mounting brackets

Lochinvar & A.O. Smith 100111032 Pressure Switch 322055-301 A tripped switch usually indicatesThe Lochinvar & A. O. Smith 100111032 Pressure Switch is a critical safety component designed for LP Liquid Propane applications in high efficiency commercial water heaters and boilers. As a Low Gas Pressure Switch, its primary function is to monitor the incoming fuel supply and interrupt the burner circuit if the pressure drops below the calibrated set point. This proactive safety measure prevents incomplete combustion, carbon monoxide buildup, and