This system uses a Fleck 2510SXT valve (1" connections standard) with an integral microprocessor based control. The programmable control utilizes high efficiency regeneration to minimize salt consumption. The beige colored resin tank, manufactured by Structural, is poly lined and fiberglass reinforced. The standard softener is a "two tank" configuration with a separate poly brine tank in almond. A system by-pass valve is included along with the purchase of any unit.