Lochinvar & A.O. Smith 100110389 Burner Assembly 321894-708 or unusual noises during mode

or unusual noises during mode changeover

and seal degradation

This board eliminates compatibility issues during field retrofits

While the 20-100 series supports them

compromising on the seal is not an option

Lochinvar & A.O. Smith 100110389 Burner Assembly 321894-708 or unusual noises during modeMaintain 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