• Watts Combination Backflow Preventer/Fill Valve - B911S (0386462)

    - 1/2 in Sw x 1/2 in NPT

    Product ID • W12CBN100999

  • $75.95
  • Normal Ground Shipping

Overview

Watts Combination Backflow Preventer/Fill Valve - 1/2 in Sw x 1/2 in NPT - B911S (0386462).

 

An assembly of Watts 9D Backflow Preventer and 1156F feed water pressure regulator. Used on boiler supply feed lines to provide make-up water to the boiler. Watts Backflow Preventers prevents backflow when supply pressure falls below system pressure.

High capacity fill valve for quick system filling and purging.

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Technical Specs

Watts Combination Backflow Preventer/Fill Valve - B911S (0386462) Techs and Specs

  • Maximum pressure
    100 psi (689.5 kPa)
  • Maximum temperature
    212 Degree F
  • Size
    1/2 Inch Sweat by 1/2 Inch NPT
  • Boiler fill valve set at
    15 psi (103.4 kPa)
  • Adjustable range
    10-25 psi