Lochinvar & A.O. Smith 100109273 Burner Assembly 319848-301 If your spring is corroded

If your spring is corroded or broken

High Temperature Rating: Class F insulation prevents premature failure from heat buildup during long-term energization

True 7-Day Scheduling: Allows for distinct ON/OFF cycles every day of the week

With a 360 PSIG design pressure

Lochinvar & A.O. Smith 100109273 Burner Assembly 319848-301 If your spring is corrodedThe Lochinvar & A. O. Smith 100109273 Burner Assembly is a direct replacement component engineered for high efficiency natural gas water heaters. This Nat FV burner assembly features a precision drilled #37 orifice, ensuring optimal stoichiometric combustion and reliable thermal output. Designed specifically for Flammable Vapor (FV) ignition systems, this assembly maintains the safety integrity and thermal efficiency of compatible Lochinvar and A. O.