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preventing pressure loss
This assembly serves as a high-limit safety device
Compatibility is determined by the model and serial number of your furnace or air handler
It is the direct lead-free replacement for the legacy 174A-1-125 series
What happens if the pressure exceeds the 12 bar rating
Lochinvar & A.O. Smith 100109226 Burner 321702-401 preventing pressure lossThe 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