Lochinvar & A.O. Smith 100109909 Gas Control 318423-701 extending the service life of

extending the service life of the blower motor and housing

Compact Footprint: The 1 1/2" diameter dial thermometer gauge design fits tight clearances within restrictive control cabinets and manifold assemblies

while the 117U4123 overload relay is primarily a safety device that monitors the load to prevent the compressor from burning out during overcurrent events

ensuring reliable operation in fail-safe applications

High-Temperature Durability: Constructed with premium ceramic and metal alloys designed to withstand consistent exposure to burner flames without premature structural fatigue

Lochinvar & A.O. Smith 100109909 Gas Control 318423-701 extending the service life ofThe Lochinvar & A. O. Smith 100109909 Gas Control assembly is a critical OEM component engineered for high recovery commercial water heaters and boilers requiring precise fuel regulation. This unit serves as the direct 9004521205 replacement gas valve, specifically designed for Generation 3 and 4 burners. As a combination control, it integrates a redundant solenoid valve with a high capacity pressure regulator to maintain stable manifold pressure