WATTS® 0386422 1156 Water Pressure Regulator, 1/2 in Nominal, Union Solder Inlet End Style, 100 psi Pressure, Bronze Body, Domestic

WASB1156F MFG #: SB1156F-1/2
  • Body Material: Bronze
  • Country of Origin: US
  • Dimensions: 5-3/8 in H
  • Domestic/Import: Domestic
  • End Style: Union Solder Inlet
  • Manufacturer Name: Watts Water Technologies
  • Nominal Size: 1/2 in
  • Pressure Rating: 100 psi
  • Series: 1156
Series B1156F Bronze High Capacity Feed Water Pressure Regulators are for use in commercial and residential hydronic heating systems to fill the boiler and piping system with water, and to maintain water pressure in the system at all times. It also provides make-up water to the system in the event of system leaks. It consists of a bronze body construction with NPT threaded inlet and outlet connections, a tight seating check valve, purge lever for manual purging, and a stainless steel strainer. Series B1156F has high capacity performance and simplified servicing design. It is suitable for use in the boiler feed lines of hydronic heating systems. Also available with union solder or union threaded connections. Maximum Pressure: 100psi (6.9 bar).
  • Features and More


  • Tight seating check valve
  • High capacity feed


  • Commercial and Residential


  • ASSE Listed
  • FM Approved
  • NSF Approved
  • UL/ULC Listed
  • USC Certified
  • PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm.


  • Limited