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a fixed 12¾″ × 12¾″ square top with a heel-proof ductile-iron grate
1/2 inch union female NPT inlet by 3/4 female NPT outlet
This 1 1/4 inch Press residential purge and balancing valve is used in heating applications to facilitate removal of air from heating zones on initial fill and to control water flow through a circulation loop
a composite material which takes durable nylon and adds glass fibers to make it stronger
Watts B911T-M3 - Part of the 911 Series Tactile Paving a fixed 12¾″ × 12¾″This 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
