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Watts 0386462, B911S-M3, 0.5" Bronze Combination Fill Valve and Backflow Preventer, Union Solder Inlet x Threaded Outlet Connections

SKU
WATB911S

In Stock. Ships in 1-7 Business Days.

Retail : $264.22 - $61.95 =
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Product details

Watts 0386462 B911S-M3 Hot Water Boiler Fill

Series B911, B911S Bronze Combination Fill Valve and Backflow Preventers are 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 Watts Model 9D backflow preventer and a bronze Watts Model 1156F feed water pressure regulator in one pre-assembled unit. Model B911 has union NPT x NPT connections. Model B911S has union solder x NPT connections. The Series B911, B911S has a high capacity fill valve that provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems. Maximum Pressure: 100psi (6.9 bar).
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Specification Sheet

Basic Information
MPN ? Manufacturer Part Number 0386462
Manufacturer Watts
Dimensions and Measurements
Weight ? Weight 2.08
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