Engineered for technical reliability in demanding environments

Midpoint Ground Design: Minimizes electrical strain and optimizes grounding efficiency for increased safety

High Thermal Tolerance: Class F insulation allows for reliable operation in elevated ambient temperatures

Technicians frequently find that sediment or "mud" buildup in the chamber can restrict float movement

and Payne part numbers (LA22LA013

Lochinvar & A.O. Smith 100135269 Burner 322838-752 Engineered for technical reliability inThe Lochinvar & A. O. Smith 100135269 Burner is a precision engineered 100% OEM replacement for high efficiency condensing boilers, specifically designed for WH285 and WH399 models. As a critical component in the combustion assembly, this burner ensures an optimal air to fuel ratio, supporting the high turndown ratios found in the Lochinvar Knight and A. O. Smith boiler series. Built to industrial grade standards, the assembly is compatible with both