Measuring 5/16" diameter by 36" length

Faults are often caused by a failing inducer motor

eliminating the safety risks associated with "universal" adjustables that often fail to meet the delicate tolerances required for high-efficiency condensing furnaces

requiring standard brazing techniques for installation

and heavy-duty relay logic setups

Lochinvar & A.O. Smith 100135290 Burner Assembly 30067439-890 Measuring 5/16" diameter by 36"The Lochinvar and A. O. Smith 100135290 Burner Assembly is a direct OEM replacement engineered for high efficiency commercial water heaters and boilers. This assembly, cross referenced as BNR3400, features an integrated pressure tap for precise manifold pressure adjustments and diagnostic testing. Designed for optimized gas air mixing, this replacement burner assembly ensures stable flame patterns and consistent thermal output in demanding hydronic