Watts 1 LF25AUB-Z3 Valve, 1" Pressure Reducing NPT Threaded Female Union Inlet x NPT Female Outlet - Lead Free Used in commercial and residential applications to reduce incoming water pressure for protection of plumbing system components and to reduce water consumption It consists of a lead-free copper silicon alloy body construction, union inlet connection, integral stainless steel strainer and high temperature resistant reinforced diaphragm for hot water Includes threaded, solder, PEX, quick-connect and CPVC with both union and double union connections Series LF25AUB-Z3 has an adjustable pressure range and is serviceable in-line Series LF25AUB-Z3 water pressure reducing valves are designed to reduce incoming water pressure to a sensible level to protect plumbing system components and reduce water consumption