Watts RBFF, 1/2" Residential Boiler Fill Fitting

Overview: Series RBFF provides a convenient solution to comply with boiler manufacturers' piping requirements and provides ease of service for expansion tanks and water pressure regulator valves in closed loop hot water heating systems. Using a unique 3-way ball valve design, the RBFF eliminates up to twelve 1/2" fittings in a compact package. Features One-piece construction, eliminating up to 11 threaded joints Unique 3-way ball valve for isolation of water pressure regulator and expansion tank from system pressure Drain port with integral ball valve for unloading pressure from waterside of expansion tank diaphragm for air charge servicing and maintenance. Drain port can also be used for a variety of system draining and filling operations. 0 to 30psi (0 to 87kPa) pressure gauge for convenient system pressure reference Materials Body: Brass Ball: Plated Brass Seats: Virgin PTFE