Lochinvar & A.O. Smith 100110389 Burner Assembly 321894-708 While the 20-100 series supports

While the 20-100 series supports them

As a genuine OEM York part

Designed for a clockwise (CW) rotation

and seal degradation

Lochinvar & A.O. Smith 100110389 Burner Assembly 321894-708 While the 20-100 series supportsMaintain peak combustion efficiency with the Lochinvar & A. O. Smith 100110389 Burner Assembly. This genuine OEM replacement burner is engineered specifically for natural gas systems, featuring a precision calibrated #21 orifice to ensure the exact manifold pressure required for stable ignition and heat transfer. In the field, burner degradation often leads to flame failure alarms or soot accumulation on the heat exchanger; replacing a warped or