BD911PRESS Watts 1/2" ProPress Union Brass Combination Dial Set Fill Valve & Backflow Preventer 100 PSI
WATBD911PRESS12
MFG #: 0386474
- End Connection: Press X Press
- Manufacturer Name: Watts
- Valve Size: 1/2"
- Specifications
- Documents
- Description
- With Viega Propress
- All bronze, union NPT x NPT end connections
- High capacity
- Pre-assembled unit
This 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 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. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union Viega ProPress inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).