B911S Watts 1/2" Sweat Brass Union High Capacity Combination Fill Valve And 1/2" IPS Backflow Preventer With Atmosperic Vent 100 PSI
Part #WATB911S12
MFG #0386462
End Connection : Soldered x Female Threaded
Manufacturer Name : Watts
Valve Size : 1/2"
- 1/2 Inch union solder inlet x NPT threaded outlet connections
- High capacity fill
- Maximum pressure 100 psi
- All bronze body construction with solder connection
- Pre-assembled unit
- For use in commercial and residential hydronic heating systems
- Specification Sheet
- 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 solder inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).