B911TM3PRESS Watts 1/2" ProPress Union Brass Combination Fill Valve & Backflow preventer 100 PSI
WATB911TM3PRESS12
MFG #: 0386473
- End Connection: Press X Press
- Manufacturer Name: Watts
- Valve Size: 1/2"
- Specifications
- Documents
- Description
- Strainer screen
- Viega Propress connection adapters
- Bronze body for durability
- Horizontal or vertical installation
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 with Viega Propress connection adapters. The maximum pressure is 100 psi (6.9 bar).