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B911S 1/2" Bronze Combination Fill Valve and Backflow Preventer Union Sweat x NPT (0386462)

Part Number: B911S-M3 Brand: Watts

1/2" Bronze Combination Fill Valve & Backflow Preventer Union Sweat x NPT

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Does not ship to OH, United States
Series 911, 911S 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 brass Watts Model 9D backflow preventer and a bronze Watts Model 1156F feed water pressure regulator in one pre-assembled unit. Model 911 has union NPT x NPT connections. Model 911S has union solder x NPT connections. The Series 911, 911S 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).
Features
  • For use in hydronic heating systems boiler feed lines to provide make up water and prevent backflow
  • High capacity fill valve for quick system filling and purging
  • Union solder x NPT connections
  • Designed for ease of installation and servicing
Series 911, 911S 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 brass Watts Model 9D backflow preventer and a bronze Watts Model 1156F feed water pressure regulator in one pre-assembled unit. Model 911 has union NPT x NPT connections. Model 911S has union solder x NPT connections. The Series 911, 911S 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).
Features
  • For use in hydronic heating systems boiler feed lines to provide make up water and prevent backflow
  • High capacity fill valve for quick system filling and purging
  • Union solder x NPT connections
  • Designed for ease of installation and servicing
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Specifications

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911S specifications

  • Application: Plumbing Size: 1/2" Material: Bronze Connection Type: Sweat x NPT Max Pressure (PSI): 100 Max Temp (F): 212°F Height: 5-1/4" Width: 8-1/2" Pressure Range: 10 to 25 psi
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