Watts TBD1156F 1/2" Union Threaded Bronze Dial Set Feed Water Pressure Regulator

**Image is of model SBD1156F.** Series BD1156F feed water pressure regulators are designed to fill the boiler and system piping with water and to maintain water pressure in the system at all times. These valves also provide make up water to the system in the event of system leaks. Series BD1156F features a high capacity performance as well as a unique push-button fast fill engagement with auto-stop that prevents over-pressurizing the system. Specifications: Maximum Temperature: 212°F (100°C) Maximum Working Pressure: 100psi (6.9 bar) Adjustment Range: 8-21psi (55-145 kPa) with 25psi auto-stop fast fill, Dial indicator +/- 2 psi, Factory set at 15psi (103.4 kPa) Features: Push button fast fill with auto-stop Tight seating check valve Dial indicator eliminates need for pressure gauge Dial setting visible from top/side Same lay length as Watts 1156F High capacity Stainless steel strainer to protect the valve disc from fouling