B911T Watts 1/2" IPS Brass Union High Capacity Combination Fill Valve And 1/2" IPS Backflow Preventer With Atmosperic Vent 100 PSI

WATB911T12 MFG #: 0386463
WATB911T12
  • End Connection: Union Threaded x Female Threaded
  • Manufacturer Name: Watts
  • Valve Size: 1/2"
  • Specifications
  • Documents
  • Description
  • Horizontal or vertical installation
  • Bronze body for durability
  • Threaded connections
  • Strainer screen
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 is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).