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  • WATTS 1/2 inch B911-M3 Threaded Combination Water Feeder and backflow Preventer
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WATTS 1/2 inch B911-M3 Threaded Combination Water Feeder and backflow Preventer

4.7 out of 5 stars 81 ratings
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About this item

  • 1/2 inch B911-M3 Watts threaded combination water feeder and backflow preventer
  • Bronze Body
  • Pre-Assembled
  • Easy Service Accessibility
  • High Capacity Fill Valve

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Product description

This 1/2 inch bronze combination fill valve and backflow preventer is 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 bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).

Product information

Technical Details

Manufacturer ‎WATTS
Part Number ‎386463
Product Dimensions ‎21.59 x 5.08 x 13.34 cm; 1.14 kg
Item model number ‎B911T-M3
Size ‎2 x 8.5 x 5.25 inches
Colour ‎Brass
Material ‎Bronze
Item Package Quantity ‎1
Maximum Pressure ‎6.9 Bars
Measurement System ‎inch
Certification ‎ASSE 1012
Batteries Included? ‎No
Batteries Required? ‎No
Item Weight ‎1.14 kg

Additional Information

ASIN B00093DU5K
Customer Reviews
4.7 out of 5 stars 81 ratings

4.7 out of 5 stars
鶹 Rank
Date First Available Sept. 14 2014

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WATTS 1/2 inch B911-M3 Threaded Combination Water Feeder and backflow Preventer

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Product Summary: WATTS 1/2 inch B911-M3 Threaded Combination Water Feeder and backflow Preventer

From Watts

4.7 out of 5 stars, 81 ratings

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About this Item

  • 1/2 inch B911-M3 Watts threaded combination water feeder and backflow preventer
  • Bronze Body
  • Pre-Assembled
  • Easy Service Accessibility
  • High Capacity Fill Valve

Product description

This 1/2 inch bronze combination fill valve and backflow preventer is 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 bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union NPT inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).
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