WATTS® Pressure Reducing Valve, High Performance, Series: LFU5B-Z3, 1/2 in Nominal, FNPT, 300 psi, 33 to 160 deg F, Media: Water, Cast Copper Silicon Alloy Body, EPDM Valve Disc/Reinforced EPDM Diaphragm/Stainless Steel Seat, 5-1/2 in L x 3-1/16 in W x 5-7/8 in H