Constructed with weather-resistant aluminum and durable gaskets for industrial-grade protection

as the unit is rated for up to 95% noncondensing humidity and temperatures up to 130°F

verify the wiper arm alignment on the potentiometer slide wire

this integrated furnace control manages the heating ignition sequence and the cooling fan speed via the "Y" terminal for comprehensive climate control

Industrial-Grade Build: Features a robust ball bearing system for extended operational life in continuous-duty cycles

Lochinvar & A.O. Smith 100109909 Gas Control 326010-701 Constructed with weather-resistant aluminum andThe 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