Watts Bronze Combination Fill Valve and Backflow Preventers B911, B911S

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Bronze Combination Fill Valve and Backflow Preventers - B911, B911S - Watts
North Andover, MA, USA
Bronze Combination Fill Valve and Backflow Preventers B911, B911S
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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Technical Specifications

  Watts
Product Category Industrial Valves
Product Number B911, B911S
Product Name Bronze Combination Fill Valve and Backflow Preventers
Primary Material Brass / Bronze
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