Hydrotech® introduced its 2015 residential water softener lineup. The 785, 565 and 765 controlled systems are engineered from 0.75 to 3.0 cubic feet. The controls include two 90-degree, ¾-inch elbows and two straight 1-inch NPT adaptors. The 1-inch 89 controlled systems are engineered from 0.75 to 5.0 cubic feet. The control comes with two 1-inch straight NPT adaptors. All systems are available in traditional, twin-tank configuations and cabinet models and include a preinstalled one-piece metered bypass.