Watts Water Technologies releases its new line of pre-plumbed, skid-mounted softening systems. The pre-engineered systems are equipped with both Fleck 2900 and 3900 control valves for peak flow rates up to 420 and 1,120 gpm, respectively. The units are available in twin-alternating or two-to-four-tank parallel designs and include schedule 80 PVC inlet, outlet and drain headers.