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911S-M3 Watts

Part of the 911 Series

Ordering Code: 0386461

UPC: 098268918519

Lead Free: NO

1/2 In Combination Fill Valve And Backflow Preventer, Union Solder Inlet X Threaded Outlet Connections

This 1/2 inch 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 brass 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 solder inlet x NPT threaded outlet connections. The maximum pressure is 100 PSI (6.9 BAR).

Product Features

  • For use in commercial and residential hydronic heating systems to provide make-up water to the boiler
  • Maximum pressure 100 PSI
  • Pre-assembled unit
  • To prevent backflow when supply pressure falls below system pressure
  • High capacity fill
  • 1/2 inch union solder inlet x female NPT outlet connections
Specifications
Backflow Preventer Type Dual Check with Atmospheric Vent
Body Finish Iron
Body Material Brass
Body Pattern Inline
BrandName Watts
Bypass No
Bypass Size Does Not Apply To Product
Cap And Tether No
Disc Material Rubber
Elbow Fitting No
GDS Status Registered
Hazard Protection Level Non Health Hazard
Hot And Harsh Water No
Hydrant Connection No
Inlet Connection Size 1/2 IN
Inlet Connection Type Union Solder
Inlet Shutoff Valve Type No Shutoff Valve
Inlet Thread Type NPT
LeadFree NO
Maximum Temperature-Fahrenheit 212
Maximum Working Pressure-BAR 6.90
Maximum Working Pressure-PSI 100
Meter Type No Meter
Minimum Temperature-Fahrenheit 33
ModelNumber 911S-M3
Outlet Connection Size 1/2 IN
Outlet Connection Type Female Threaded
Outlet Shutoff Valve Type No Shutoff Valve
Outlet Thread Type NPT
Part Number 0386461
Polymer Coating No
Pressure Operation Continuous
Protection Type Backpressure and Backsiphonage
Seat Material Stainless Steel
Series 911
Strainer No