Lochinvar & A.O. Smith 100112667 Burner Assembly 322838-752 it is optimized for Source

it is optimized for Source 1 and York sensors

though it can function in other positions if necessary

Factory-calibrated for an 8 PSI crossover point

Designed to maintain system equilibrium and protect the compressor from liquid slugging

Lochinvar & A.O. Smith 100112667 Burner Assembly 322838-752 it is optimized for SourceThe Lochinvar 100112667 is a critical component for maintaining combustion efficiency in high output commercial water heating systems. This 18 inch NAT 18 inch burner assembly is precision engineered with a #30 orifice burner to ensure optimal flow rates and flame stability within the combustion chamber. As a direct A. O. Smith burner assembly replacement, it addresses common performance drops caused by port occlusion or thermal fatigue on older