ProPress®, 82100, Zero Lead Balancing Valve, Manual, Series: Model 2980ZL, U-1/2 in Nominal, Press End Style, 250 psi Pressure, 15 to 250 deg F, 0.27 to 0.71 gpm Flow Rate, PT Port, Media: Water, 5.157 in Inlet to Outlet Length, 4.06 in Top to Inlet Center, Brass Body, EPDM Softgoods, Import