Watts 1/2 B911 (PRESS XTHD) - Part of the 911 Series snake fencing Secure Membrane Flashing Clamp &

Secure Membrane Flashing Clamp & Debris Guard: Helps maintain waterproof integrity by securing the roofing membrane and preventing gravel or debris entry that can clog the system

UPC - 098268653861

100GSM: Heavy-duty

and 4-corner grate lockdown for dynamic-loading conditions

Features Kostil polymer window

Watts 1/2 B911 (PRESS XTHD) - Part of the 911 Series snake fencing Secure Membrane Flashing Clamp &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 BD1156F, in one pre assembled unit. The high capacity fill valve provides quick system filling and purging.