Lochinvar & A.O. Smith 100223203 Burner Assembly

The Lochinvar & A.O. Smith 100223203 Burner Assembly is a high-performance, 18-inch final burner assembly kit engineered for precision and durability in commercial and residential water heating systems. This OEM component features a 3.5" aluminum extension (EXT AL) and is factory-balanced to ensure optimal gas-to-air ratios, facilitating clean combustion and high thermal efficiency. As a direct replacement for part number 9009197005, this assembly utilizes a #34TP orifice and is designed to fit specific Lochinvar and A.O. Smith boiler and water heater models. Utilizing a 6-inch burner diameter and robust aluminum construction, this 18" final burner assembly kit provides long-term resistance to corrosion and thermal stress, critical for maintaining system uptime in high-demand environments. Rigorously tested to meet original manufacturer specifications, the 100223203 burner kit ensures seamless integration with existing manifold doors and pilot assemblies, restoring peak performance to the combustion chamber without the need for field modifications.

Key Professional Benefits:

• Precise OEM Fit: Eliminates the risks associated with universal aftermarket parts, ensuring exact alignment with A.O. Smith water heater hardware.
• Enhanced Combustion Efficiency: The 3.5" EXT AL aluminum extension and factory-set #34TP orifice promote a stable flame pattern and reduced carbon buildup.
• Durable Aluminum Construction: Specifically selected for its ability to withstand high temperatures while resisting the corrosive effects of combustion byproducts.
• Simplified Installation: Designed as a complete final burner assembly to reduce labor time during critical maintenance or emergency repairs.

Common Service Questions:

• Is this assembly compatible with both Natural Gas and Propane units? This specific model is typically configured for Natural Gas applications; always verify the orifice size and gas type on your rating plate before installation.
• What does the 3.5" EXT AL designation signify? It refers to the 3.5-inch aluminum extension used to position the burner head at the correct depth within the combustion chamber for optimal ignition.
• Does this kit include the manifold door gasket? This kit is the final burner assembly. For a complete seal, it is recommended to inspect and replace the manifold door gasket (e.g., 100187884) if it shows signs of wear.

Safety Notice:
?? California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or reproductive harm.

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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.