Extended Length Final Burner Assembly for Water Heater
by State Water Heater
Home & GardenHousehold Appliance AccessoriesWater Heater Accessories
| Plumbing Deals SKU | STA100223203 |
|---|---|
| UPC / GTIN | 020363187811 |
| Availability | Out of stock at Plumbing Deals, as of 18 Oct 2026 |
Out of stock at Plumbing Deals
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Description
From Plumbing Deals' product listing.
The Extended Length Final Burner Assembly (100223203) is an OEM replacement component designed for select A.O. Smith and Lochinvar gas water heaters and boilers. Built to meet original equipment specifications, this burner assembly is used in systems that require the 100223203 configuration or its approved cross-reference equivalent. Product Information Extended length design Pre set air shutter Clean burn performance Ready to install kit Compatibility The Extended Length Final Burner Assembly (100223203) is compatible with select A.O. Smith and Lochinvar gas water heaters and boilers that specifically call for this OEM burner assembly or an approved cross-reference equivalent. Compatibility is model-specific. You must verify your unit’s model and serial number against the rating plate or parts breakdown before ordering. If the original unit does not list 100223203 (or equivalent), this part should not be used as a replacement. Extended Length Final Burner Assembly FAQ What is the Extended Length Final Burner Assembly for a water heater? This component serves as the final burner assembly in compatible gas-fired units, supporting proper combustion performance in models that utilize an extended-length burner design. It is not a universal part and must be matched to the exact model and part number requirements of the original unit. How do I know if this burner assembly will fit my unit? Check your water heater’s model and serial number on the rating plate and confirm it originally uses part number 100223203 (or a listed cross-reference such as 9009197005). If it doesn’t explicitly reference this assembly, it should not be used as a replacement. For assistance with compatibility, call our customer service team at 888-682-5956 (toll free)! What type of water heater systems use this burner assembly? It is used in gas-fired water heaters and boilers that require an extended-length (18") burner assembly with a 3.5" extension for proper flame carryover.