Lochinvar & A.O. Smith 100111657 Burner Assembly 319852-301 helping to maintain proper static

helping to maintain proper static pressure and reducing stress on the blower motor

protecting critical infrastructure

including both the 4-pole jumper bar and the necessary protective cover for code-compliant installation

18 certified regulator body

Lochinvar & A.O. Smith 100111657 Burner Assembly 319852-301 helping to maintain proper staticThe Lochinvar & A. O. Smith 100111657 Natural Burner Assembly is a precision engineered replacement component designed for high efficiency commercial and residential water heating systems. As the direct updated version for 9006990005, this assembly features a #30 ORF (orifice) specifically calibrated for natural gas combustion. Veteran technicians recognize this part as a critical OEM replacement burner for maintaining the narrow manifold pressure and