P: 317-636-1111 | F: 317-636-5467 | E: sales@bbcpump.com |

BBC Pump and Equipment Company, Inc.

  • Home
  • Markets
    • Commercial
    • Fire Protection
    • Industrial & Process
    • Municipal Water & Waste Water
  • Products
    • Pumps
    • Pump Packages
    • Boilers
      • Hot Water Boiler
      • Steam Boiler
    • Burners
    • Sealing Technologies
      • Gasket
      • Mechanical Seals
      • Packing
      • Polymer Seals
      • Seal Support
      • SpiralTrac
    • Controls and Monitors
      • Pump Control
      • Boiler Control
    • Pump Accessories and Valves
      • Basins and Accessories
      • Fire Protection Accessories
      • Fittings
      • Pump Controls
      • Valves
    • Air & Sediment Separators
    • Tanks
    • Heat Exchangers
    • Steam Specialties
      • Steam Trap
      • Regulator Valve
    • Composite Coating
      • Concrete Coatings
      • Metal Coatings
    • Maintenance Specialties
      • Barrier Fluid
      • Corrosion Control
      • Lubricant
      • Lubrication Dispensers
      • Metal Working Fluid
      • Solvents & Degreasers
    • Motors
    • Water Heaters
  • Manufacturers
    • Pumps
      • Aurora
      • Brinkmann Pumps
      • CIPC Pitbull
      • Cornell
      • Ebara
      • Fairbanks Nijhuis
      • Grundfos
      • Gusher
      • Hidrostal
      • Hydra-Cell
      • Hydroflo
      • Hydromatic
      • Knoll
      • Pentair Aurora Layne Verti-Line
      • MP Pumps
      • PACO
      • QuantumFlo
      • Peerless
      • Taco
      • Tsurumi Pump
    • Boilers
      • Aldrich
      • Riello
      • Sellers Manufacturing
      • Unilux
    • Burners
      • Riello
    • Mechanical Seals
      • Chesterton
    • Accessories and Valves
      • AK Industries
      • American Wheatley
      • Conery
      • Chesterton
      • Guardian Fire Equipment
      • Sterling / Sterlco
      • Taco
      • USF Fabrication
      • Watson McDaniel
      • Watts Water Technologies
      • Wessels
      • Zurn Wilkins
    • Controls
      • Digital Control Company
      • Omni-Site
      • Sigma Controls
      • Square D by Schneider Electric
      • USEMCO
      • Thermodynamic Process Control
      • Wastewater Level
    • Motors
      • Baldor
  • Service
  • Company
    • Careers
    • Staff
  • Contact
Home / Products / 911, 911S Combination Fill Valve and Backflow Preventer
Watts Water Technologies Logo
911-911S-combination-fill-valve-backflow-preventer

911, 911S Combination Fill Valve and Backflow Preventer

Technical Data | Related Products

Manufactured by: Watts Water Technologies
Model: 911, 911S

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.

Additional Information

Ask a Question

  • This field is for validation purposes and should be left unchanged.

* Required Field
** Territory restrictions apply for most products.

Technical Data

Available Materials:
Cast Iron

Pressure Rating:
to 100 psi

Available Sizes:
1/2in

Connection Types:
Solder, Threaded

Thread Types:
NPT

See product datasheet for additional details

BBC Pump and Equipment Co.

777 North Tibbs Avenue
Indianapolis, IN 46222

P: 317-636-1111
F: 317-636-5467
sales@bbcpump.com
service@bbcpump.com

M-F, 8:00 AM - 5:00 PM

Indiana’s Pump Experts Since 1981

Our mission is to provide customer oriented service through the proper application of quality pump equipment.

BBC Pump and Equipment Company supplies superior pumps, equipment and systems; designed, installed and serviced by the best engineers and technicians in Indiana.

Search BBCPump.com

Copyright © 2023 BBC Pump and Equipment Company, Inc. · Log in