Skip to Main Content


Part of the 1156F Series

Ordering Code: 0386422

UPC: 098268023077

Lead Free: NO

1/2 In High Capacity Water Feed Regulator, Union Solder Inlet Connection

This 1/2 inch high capacity feed water pressure regulator is 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 with union solder inlet and NPT threaded outlet connections, a tight seating check valve, purge lever for manual purging, and a stainless steel strainer. It has high capacity performance and a simplified servicing design. It is suitable for use in the boiler feed lines of hydronic heating systems. The maximum pressure is 100 PSI (6.9 BAR).

Product Features

  • Purge lever
  • High capacity
  • Stainless steel strainer
  • Tight seating check valve
Adjustable Reduced Pressure Range 10 to 25
Adjustable Reduced Pressure Range-BAR 0.7 to 1.7
Body Material Bronze
BrandName Watts
Corrosion Resistant Coating No
Gauge Option No Gauge
High Pressure Reduced Pressure Range Does Not Apply To Product
High Pressure Reduced Pressure Setting Does Not Apply To Product
Inlet Connection Size 1/2 IN
Inlet Connection Type Union Joint
Inlet Thread Type Does Not Apply To Product
LeadFree NO
Maximum Operating Temperature-Fahrenheit 212
Maximum Working Pressure-BAR 6.80
Maximum Working Pressure-PSI 100
Minimum Temperature-Fahrenheit 33
ModelNumber SB1156F
Outlet Connection Size 1/2 IN
Outlet Connection Type Female Threaded
Outlet Thread Type NPT
Part Number 0386422
Series 1156F
Standard Reduced Pressure Setting-BAR 1.00
Strainer Yes
Strainer Material Stainless Steel
Thermal Expansion Bypass No
Valve Style Standard

Product Accessories