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Product details

Series 911 combination fill valve and backflow preventer consists of a model 9D backflow preventer and model 1156F feed water pressure regulator in one pre-assembled unit. This valve is designed for use on boiler feed lines to provide make up water to the boiler and prevent backflow when supply pressure fails below system pressure.

  • Pre-assembled for ease-of installation
  • Easy service accessibility
  • High capacity fill valve for quick system filling and purging
  • Documentation

    Technical Specs

    SKU: 84235
    Model: B911S-M3
    pressure rating: 10 - 25 psi (Adjustment), 100 psi Max connection size: 1/2"
    length: 5-1/4" temperature rating: 212° F
    product type: Backflow Preventers type: Non-Potable
    product upc code: 098268918526 material: Bronze
    prop65 warning: California Proposition 65 Warning, This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to series: 911 Series
    country of origin: US width: 8-1/2"
    connection type: Union Solder x NPT

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