Lochinvar & A.O. Smith 100111285 Gas Valve

The Lochinvar & A.O. Smith 100111285 Gas Valve is a critical OEM component designed for high-performance service in residential and commercial gas-fired water heaters. As a direct replacement Natural Gas Control Valve, this part ensures precise fuel regulation for hot surface ignition systems and standing pilot configurations where NG fuel management is paramount. Engineered with senior-grade brass construction and an integrated temperature sensing probe, this valve manages the gas flow to the main burner to maintain optimal combustion efficiency and thermal stability.

For technicians performing a water heater gas valve replacement, the 100111285 offers a drop-in fit for specific models across the Lochinvar, A.O. Smith, State, and American Water Heater catalogs, including the LBN series. Its compact design facilitates installation in tight burner transition compartments without compromising the flow rate required by high-recovery units. This HVAC gas control unit is built to withstand high-pressure environments, effectively reducing the risk of combustion loss or emissions drift during heavy cycles.

Key Benefits for the Contractor:

• Exact OEM Fit: Ensures seamless compatibility with Lochinvar and A.O. Smith boiler parts, eliminating the need for manifold modifications.
• Integrated Safety Probe: Features a built-in sensor for accurate temperature monitoring and immediate gas shut-off if safety thresholds are exceeded.
• Optimized Combustion: Delivers precise natural gas regulation to enhance overall system efficiency and reduce operational fuel waste.
• Heavy-Duty Mechanical Build: The durable gas valve body is resistant to thermal fatigue, ensuring long-term reliability in high-cycle heating applications.

Common Questions:

Which water heater models are compatible with the Lochinvar 100111285?
This valve is commonly utilized in Lochinvar and A.O. Smith residential units, specifically within the LBN04040, LBN05040, LBN05050, and LBN07555 series. Always cross-reference the model and serial number before installation.

Can this natural gas control be converted for use with Liquid Propane (LP)?
No, the 100111285 is a Natural Gas Control Valve specifically calibrated for NG pressure. Utilizing this component with LP fuel sources without a certified conversion kit (if applicable) is unsafe and not recommended.

What are the physical dimensions for installation clearance?
The unit measures approximately 9.65" x 7.2" x 6.2", making it a standard compact HVAC valve replacement for most vertical and horizontal manifold setups.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.