Lochinvar & A.O. Smith 100109203 Burner 319852-301 Heat-Resistant Materials: Constructed from heavy-duty

Heat-Resistant Materials: Constructed from heavy-duty polymers that resist thermal cycling and chemicals typically used during AC evaporator coil cleaning

0 Cv rating supports high-volume applications

You must purchase a 48 cubic inch replacement core separately based on your specific filtration needs

maintaining high system efficiency

providing the specific pressure regulation required for safe and effective ignition sequences

Lochinvar & A.O. Smith 100109203 Burner 319852-301 Heat-Resistant Materials: Constructed from heavy-dutyThe Lochinvar & A. O. Smith 100109203 burner assembly is a direct OEM replacement engineered for residential and light commercial natural gas water heaters. This FVIR burner kit serves as the updated factory successor to the 9003382005 burner, ensuring a precise match for units requiring a #33 orifice. Designed for Flammable Vapor Ignition Resistant (FVIR) technology, this assembly maintains critical combustion parameters and manifold pressure to