Model 888 silent wafer check valves from Flomatic Valves are NSF/ANSI Standard 61 certified for drinking water systems and feature EPSM elastomers. 800/833-2040; www.flomatic.com.
Model 888 silent wafer check valves from Flomatic Valves are NSF/ANSI Standard 61 certified for drinking water systems and feature EPSM elastomers. 800/833-2040; www.flomatic.com.