1/2" Backflow Preventer & Fill Valve (0386462)

WA911S MFG #: 911S-1/2
  • Brand: WATTS®
  • Application: Residential and Commercial
  • Body Material: Bronze
  • Dimensions: 8-1/2 in L x 5-1/4 in H
  • End Style: Union Solder x NPT
  • Nominal Size: 1/2
  • Pressure Rating: 100 psi Working
  • Series: 911
  • Temperature Rating: 212
Series 911 combination fill valve and backflow preventer consists of a Model 9D backflow preventer and Model 1156F feed water pressure regulator in one pre-assembled unit. This valve is designed for use on boiler feed lines to provide make-up water to the boiler and prevent backflow when supply pressure fails below system pressure.
  • Features
  • Pre-assembled for easy of installation
  • Easy service accessibility
  • High capacity fill valve for quick system filling and purging