Lochinvar & A.O. Smith 100109358 Thermostat

Ensure reliable temperature regulation in your water heating systems with the Lochinvar & A.O. Smith 100109358 Natural Gas Thermostat. Designed specifically for residential and commercial water heaters, this Intellivent gas control valve manages 160°F natural gas operation with a 4-inch manifold pressure setting. As a veteran-preferred replacement part, the 100109358 thermostat features a 2.38-inch shank for consistent fitment within original footprints. This direct OEM replacement integrates a safe-lighting system, allowing for pilot ignition without the danger of main burner gas flow, and incorporates a 100% gas shutoff protocol for safety in the event of pilot failure. This unit replaces multiple legacy part numbers, including 183760-010, 183760-012, and 9003629005. By maintaining precise thermal stability, this 160F gas thermostat optimizes energy efficiency and ensures long-term reliability for demanding HVACR applications.

Key Benefits:

• Broad Compatibility: Engineered as a drop-in replacement for Lochinvar and A.O. Smith water heaters using the Intellivent control system.
• Enhanced Safety: Features a built-in 100% gas shutoff mechanism that immediately halts fuel flow if the pilot light is extinguished.
• Precision Control: Calibrated for 160°F maximum temperature to maintain consistent hot water supply and tank protection.
• Simple Installation: Standardized 4" manifold pressure and 2.38" shank length ensure alignment with existing gas lines and tank ports.

Common Questions:

Does this gas valve replace the old White Rodgers Intellivent controls?
Yes, this is the current White Rodgers Intellivent kit designed to replace legacy versions, including part numbers 183760-010 and 183760-012. Note that the gas connection may be positioned on the side to comply with updated regulatory standards.

What is the manifold pressure setting for this unit?
This natural gas thermostat is factory-set for a 4-inch manifold pressure. Always verify your heater’s rating plate to ensure this matches your system's requirements before installation.

Is this thermostat compatible with propane (LP) systems?
No, this specific part (100109358) is calibrated strictly for natural gas. Using it with liquid propane will cause improper combustion and creates a significant safety hazard.

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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.