The Ultimate RO Pressure Switch from i-controls is designed for use with commercial RO systems. The PS-1 can be used as an inlet or tank pressure switch (NO or NC). Features include a 0.25-inch (6.35-mm) diameter pressure port for use with quick-connect or conventional fittings, a rugged UL/CSA listed switch (one HP at 120 VAC, two HP at 240 VAC), quick-connect electrical connections and user-adjustable pressure settings. http://www.icontrols.net, [email protected]
