a valve with PTFE or specialized steam-rated internals is required

the internal adjustment screw can modify the switch actuation point to match your system’s minimum flow requirements

and alarm conditions

The bi-metal sensing element is highly responsive to both ambient air temperature and radiant heat

The unit is equipped with a 48-inch capillary tube

Lochinvar & A.O. Smith 100110776 Gas Valve 318820-201 a valve with PTFE orThe Lochinvar & A. O. Smith 100110776 Gas Valve is a critical OEM component designed for high efficiency natural gas water heaters and boilers. Engineered as an Intellivent Thermostat Gas Control, this valve features a 120V AC electrical interface and a 2. 25 inch shank, providing precise regulation for residential and commercial water heaters. With a standard 1 2" NPT connection and a fixed 4" WC manifold pressure, it ensures consistent fuel delivery