Lochinvar & A.O. Smith 100112667 Burner Assembly 321702-401 Stem Extension

Stem Extension

System Protection: Prevents backdrafting and negative pressure environments that can damage gas-fired appliances

slip-free mechanical bond

For technicians performing a teardown or routine maintenance on Trane units

making it a versatile HVAC electrical component for a wide range of air handling and process cooling units

Lochinvar & A.O. Smith 100112667 Burner Assembly 321702-401 Stem ExtensionThe 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