Lochinvar & A.O. Smith 100327116 Gas Valve 30067439-890 Reduced Downtime: The auto limit

Reduced Downtime: The auto limit switch design allows the system to cycle back to normal operation once safe temperatures are restored

ensure the installation includes a certified vent limiting device like the 12A49 to meet local code requirements without the need for external vent piping

The McDonnell & Miller 310802 is cross-compatible with the Series FS254 and is often used to field-repair general-purpose liquid flow switches

Always verify your specific valve's prefix and suffix on the nameplate to ensure exact internal compatibility

this auto reset limit switch is calibrated to open at a 175°F rise and automatically close at a 145°F drop

Lochinvar & A.O. Smith 100327116 Gas Valve 30067439-890 Reduced Downtime: The auto limitThe Lochinvar & A. O. Smith 100327116 Gas Valve is a critical OEM replacement part designed for high efficiency commercial boilers and water heating systems. This 24V gas valve is factory calibrated for natural gas (NAT) applications, maintaining a precise 2. 7" WC manifold pressure to ensure stable combustion and optimal thermal efficiency. Featuring a standard 3 4" NPT inlet and outlet, this valve provides the high flow rates required by high BTU