Lochinvar & A.O. Smith 100187931 Burner Assembly

The Lochinvar & A.O. Smith 100187931 Burner Assembly is a critical OEM replacement part for natural gas commercial and residential water heaters. This 16-inch burner assembly is precision-engineered for specific natural gas (NG) configurations, utilizing a #34 orifice to regulate gas flow and ensure proper combustion within the burner chamber. Maintaining the integrity of the heat exchanger requires a clean, consistent flame pattern, which this genuine Lochinvar burner provides. Designed for drop-in compatibility with various A.O. Smith and Lochinvar models, this assembly mitigates issues related to improper air-fuel mixtures, delayed ignition, or incomplete combustion. As a technician, ensuring the 100187931 burner kit matches the manifold requirements is essential for restoring system thermal efficiency and maintaining safe carbon monoxide levels during peak operation. This industrial-grade assembly is built to withstand high-cycling demands while providing long-term reliability in demanding HVACR heating applications.

Key Benefits:

• Precise Fuel Regulation: Features a factory-calibrated #34 orifice for accurate natural gas delivery.
• OEM Standards: Guaranteed physical and technical compatibility with Lochinvar and A.O. Smith heating equipment.
• Enhanced Combustion Efficiency: The 16-inch burner design promotes a stable flame to maximize heat transfer.
• Robust Construction: Engineered to resist warping and corrosion in high-heat environments.
• Standardized Fit: Simplifies the maintenance process for commercial burner replacements.

Common Questions:

What is the primary application for the 100187931?
This 16-inch burner assembly is specifically used in Lochinvar and A.O. Smith natural gas water heaters and boilers that require a #34 orifice for correct BTU input.

Can this burner be used with Propane (LP)?
No, this unit is configured for natural gas (NG) systems. Converting this burner assembly to LP requires a specific conversion kit and orifice change to meet safety and performance standards.

What are the symptoms of a failing burner assembly?
Common signs include yellow or flickering flames, soot buildup on the heat exchanger, burner noise, or ignition failure. Replacement with a genuine 100187931 assembly ensures the unit returns to its original factory specifications.

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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.