Watts 1/2 BD911S-M3 - Part of the BD911 Series Window Well Extension laminated with a molten polyethylene

laminated with a molten polyethylene layer

The carrier complies with ASME A1112

Available in two robust options

while the clamp collar secures the roofing membrane for reliable waterproofing

Add aesthetic appeal to the trench drain installation with the Via drain grate

Watts 1/2 BD911S-M3 - Part of the BD911 Series Window Well Extension laminated with a molten polyethyleneThis 1 2 inch bronze combination dial set 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 model 9D backflow preventer and a bronze model BD1156F feed water pressure regulator in one pre assembled unit. The high capacity fill valve provides quick system filling and