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

ensuring safe and reliable pilot flame sensing

pressure taps (1/8" NPT with plug)

install the vent at high points in the system piping or on air separators where air naturally accumulates

Lochinvar & A.O. Smith 100111032 Pressure Switch 322055-301 Fail-Safe Operation: Mechanical spring returnThe 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