Series X65B Water Pressure Reducing Valves are designed to reduce incoming water pressure to a sensible level to protect plumbing system components and reduce water consumption. The X65B is a cartridge style regulator and is orderable three ways: As a complete, ready-to-install regulator, or as a separate rough-in kit consisting of a bronze body with integral strainer, or as a separate cartridge assembly. Available with interchangeable union tailpieces for solder, threaded, Quick-Connect, PEX or CPVC installations. Maximum Working Pressure: 400psi (27.6 bar), Adjustable Reduced Pressure Range: 20 to 80psi (138 to 552 kPa), Standard Pressure Setting: 50psi (344kPa). High pressure model also available.