Lochinvar & A.O. Smith 100109226 Burner 321702-401 This model is a DCL

This model is a DCL 305 series unit featuring a solid core composed of 80% molecular sieve and 20% activated alumina

Superior Thermal Durability: Features a high-grade ceramic body to withstand extreme furnace cabinet temperatures without electrical failure

This unit is strictly rated for low-pressure applications with a 20 PSI max steam pressure

OEM Precision: Guaranteed York relay compatibility for a direct fit in 24V control circuits

including foot

Lochinvar & A.O. Smith 100109226 Burner 321702-401 This model is a DCLThe Lochinvar & A. O. Smith 100109226 Burner is a critical LP main burner assembly designed for high performance commercial and residential water heating systems. Engineered for LP (Liquid Propane) applications, this replacement burner head ensures precise fuel to air ratios, maintaining clean combustion and preventing common soot buildup issues. This SKU serves as a direct OEM replacement part, replacing legacy numbers 182730 000 and 9003422005. The