Lochinvar & A.O. Smith 100111333 Burner Assembly 340793-762 If the thermal switch has

If the thermal switch has tripped due to a high-limit event or flammable vapor detection

Depending on your damper frame

as requirements can vary by production batch

Smith BTH series and Lochinvar Knight boilers

this electronic fan timer manages both the combustion blower (inducer) and the main circulating fan to ensure proper post-purge and heat exchange timing

Lochinvar & A.O. Smith 100111333 Burner Assembly 340793-762 If the thermal switch hasThe Lochinvar & A. O. Smith 100111333 Burner Assembly is a factory authorized OEM replacement part designed for high efficiency natural gas commercial water heaters and boilers. This complete 16 inch assembly includes a precision drilled #39 orifice, ensuring the correct BTU input and manifold pressure for optimal combustion. As a critical component in the combustion chamber, this 16 inch natural gas burner features an integrated door assembly and