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this model features a self-aligning barrel-type valve stem and a rugged stainless steel body to resist corrosion and ensure long-term reliability in high-temperature environments
The V43BS-3 is the direct technical replacement
With a standardized slot width of 8
ensuring consistent microamp feedback to the control module
the unit facilitates a full 90-degree stroke with a counterclockwise (CCW) rotation
Lochinvar & A.O. Smith 100111651 Burner Assembly 321702-401 this model features a self-aligningThe Lochinvar & A. O. Smith 100111651 Burner Assembly is a factory authorized replacement component designed for Natural Gas (NG) high efficiency commercial boilers and water heaters. Engineered with a #31 orifice, this assembly ensures precise fuel to air mixing and stable combustion across varying load demands. This OEM burner assembly is utilized in the Lochinvar Knight and A. O. Smith Cyclone series, specifically addressing combustion stability