This 3/4 inch lead free cartridge style water pressure reducing valve is designed to reduce incoming water pressure to protect plumbing components and reduce the water consumption for commercial, industrial and residential applications. It features a lead free brass body, thermoplastic seat cartridge, not Threaded Union inlet and not female Outlet connections, reinforced diaphragm and a bypass valve to control thermal expansion pressure. The reduced pressure rating is set at 50 PSI (345 kappa). the maximum working pressure is 400 PSI (27.6 bar) and temperature range is 33 to 180 degrees F (0.5 to 82 degrees c). - manufacturer: Watts water technologies.