Watts 1/2 B911 (PRESS XTHD) - Part of the 911 Series snake fencing It has high capacity performance

It has high capacity performance and a simplified servicing design

UPC - 098268038101

The Spee-D Channel Drain Coupling is made of polyvinyl chloride (PVC) treated with UV inhibitors

UPC - 098268653861

Features Kostil polymer window

Watts 1/2 B911 (PRESS XTHD) - Part of the 911 Series snake fencing It has high capacity performanceThis 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.