AO Smith 34,800-Grain Slat-Based Water Softener AOW-S400

Designed, Engineered, and Built to Last Patented, slim, single-unit design with built-in bypass valve will serve you for years to come. The Bypass Valve can isolate the softener should it malfunction or leak. It can also permit the use of untreated water for watering plants. Fast & Quiet Regeneration Recharges softening media quickly so you dont experience downtime. After producing 21 gallons, total length of regeneration is 27.5 minutes. Power Loss Protection