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Description
Note: Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only.

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.

Specifications:
  • A combination fill valve and backflow preventer shall be installed on the boiler feed line to provide make-up water to the boiler.
  • The valve shall contain a Watts Regulator Model 9D backflow preventer and Model 1156 feed water pressure regulator.
  • The combination fill valve and backflow preventer shall be a Watts Regulator Company Series 911.

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

1/2"

Connection Type:

Press x Press

Pressure Range:

10 to 25 psi

Min Pressure (PSI):

10

Max Pressure (PSI):

25

Material:

Bronze

Max Temp (F):

212°F

Application:

Heating

Thread Size:

1/2"

Max Inlet Pressure:

100 PSI

Pressure Set Point:

Factory Set at 15 psi

Inlet Type:

NPT

Outlet Type:

NPT

Width:

8-1/2"

Height:

5-1/4"

Weight (lbs):

4.2 lbs

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