Pentair Water Treatment, of Brook-field, Wis., presented three new Fleck options and accessories that increase efficiency and add flexibility to residential applications. The Fleck Double Backwash Cam adds an extra backwash capability to water softeners and filters. The optional cycle cam adds a second backwash cycle between the Slow Rinse and Rapid Rinse cycles on Fleck’s electronic 5600SE, 6600 and 6700 residential down flow valves.