Watts B911M3-QC - Part of the 911 Series snake fence This extension allows the valve

This extension allows the valve to operate with up to 2 inches of insulation on hot and cold water lines

Helps prevent growth of slippery mildew

This 2 IN double check seat valve repair kit for series 719 is designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements

which is an herbicide that helps to prevent tree root tip cell division in that direction

Watts B911M3-QC - Part of the 911 Series snake fence This extension allows the valveThis 1 2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre assembled unit. The high capacity fill valve provides quick system filling and purging. It