Belimo F6100HD Valve Assembly 321042-401 It is a direct fit

It is a direct fit for Superior 3CFA shells and Alco/Emerson BTAS-3 shells

While the 1/2-inch bore is a standard size

Operational Stability: Designed to prevent "hunting" or oscillation during rapid changes in load demand

Will this work for a 1/4 HP application

Belimo F6100HD Valve Assembly 321042-401 It is a direct fitThe Belimo F6100HD is a heavy duty 4 inch 2 way butterfly valve engineered for high performance commercial HVAC and industrial hydronic system control. Featuring a ductile iron body and a 304 stainless steel disc, this assembly is built for durability in chilled water, hot water, and up to 50% glycol applications. With a Cv rating of 600 and a close off pressure of 200 psi, it ensures precise flow regulation and bubble tight shut off. The valve