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WATTS® 911S-M3 WTS911S-M3
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WATTS® 911 Series 911S-M3 Backflow Preventer, 1/2 in, Union Solder x FNPT, 100 psi, Brass, Contains Lead

WATTS® 911 Series 911S-M3 Backflow Preventer, 1/2 in, Union Solder x FNPT, 100 psi, Brass, Contains Lead

  • Manufacturer: Watts Water Technologies
  • Brand Name: WATTS®
  • Part#: WTS911S-M3
  • MPN: 911S-M3
  • Min. Order Qty: 1
  • Qty. Interval: 1
  • Availability: loading
  • Branch Availability

This 1/2 in 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 in union solder inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).

WATTS® Backflow Preventer, 911 Series, 1/2 in Nominal, Union Solder x FNPT Connection, 100 psi, Stainless Steel Seat, Brass, Contains Lead, 212 deg F, 5-1/4 in H x 8-1/2 in W

Connection Type      :      Union Solder x FNPT
Dimensions      :      5-1/4 in H x 8-1/2 in W
Lead-Free/Contains Lead      :      Contains Lead
Material      :      Brass
Nominal Size      :      1/2 in
Plumbing and Flow Control      :      Plumbing and Flow Control
Pressure Rating      :      100 psi
Seat Material      :      Stainless Steel
Series      :      911 Series
Temperature Rating      :      212 deg F