Series ECWS supply-side or Series ECWR return side are express-built assemblies in the most popular configurations to simplify piping and provide superior strength. PVC construction with EPDM seals and socket connections; the only selection necessary is the flowmeter range on the return side.","SUPERIOR FEATURES","• ½ through 2 pipe sizes","• All sticks are reinforced to minimize possibility of damage","• Socket end connectors, PVC and EPDM standard","• Wetted metals on gauge (brass) and flow meter (T300 Stainless)","• All units built in USA and individually tested