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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
a change-out is required
What controllers are compatible with the built-in transformer
Safety Integrity: Monitors for blocked vents
allowing for a more straightforward swap-out during preventative maintenance or emergency repairs
For S201 or other high-pressure series
Lochinvar & A.O. Smith 100109372 Gas Valve 321894-709 a change-out is requiredThe Lochinvar & A. O. Smith 100109372 Gas Valve is a critical OEM replacement part designed for high efficiency liquid propane (LP) heating systems. This 24v gas control valve features a 1 2" inlet outlet connection and is factory set to a 10" WC (Water Column) manifold pressure, ensuring precise fuel regulation for commercial water heaters and boilers. As a veteran grade component used in Lochinvar Knight and A. O. Smith Cyclone series, it manages