Durable Construction: Lightweight aluminum blades reduce bearing wear

Designed to handle up to 3

though compatibility depends on the specific thermostatic charge and valve body configuration

Common indicators include ignition failure lockout codes

This genuine Trane part ensures factory-spec compatibility

Lochinvar & A.O. Smith 100109316 Burner Assembly 321702-401 Durable Construction: Lightweight aluminum bladesWhen you're out in the field servicing high recovery natural gas units, having the correct Lochinvar and A. O. Smith OEM replacement parts is critical for restoring system integrity. The 100109316 Burner Assembly is a high performance FVIR burner assembly utilizing a #33 orifice specifically designed for Natural Gas (NG) applications. This 100109316 gas water heater burner is engineered to meet Flammable Vapor Ignition Resistant (FVIR) standards,