Featuring 18-inch leadwires and a manual lever for manual valve positioning during system commissioning or power failures

and heavy-duty relay logic setups

This kit is specifically for the 240RA8 series

Faults are often caused by a failing inducer motor

1" diameter crankcase

Lochinvar & A.O. Smith 100135290 Burner Assembly 30067439-890 Featuring 18-inch leadwires and aThe 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