Steps:

  1. Remove the control head from the water softener and pull out the tank.
  2. Dump the old resin beads from the tank, and flush the tank clean using a garden hose.
  3. Place new manifold tube inside of tank; temporarily seal top end of tube with piece of electrical tape.
  4. Dump several inches of gravel into tank; fill remainder of tank with resin beads.
  5. Remove tape from top of tube, then thread new control head onto manifold tube.
  6. Install a new valve onto the control head.
  7. Make plumbing connections joining cold-water supply to tank, and water-supply line to the house.
  8. Install a second tank next to the water softener, and fill it with blocks of sodium to create a brine solution.
  9. Make the pipe connections joining the brine-solution tank to the water softener.
  10. Connect the discharge hose to softener.
  11. Once all connections are made, turn on the water and check for leaks.

How to Repair a Water Softener - 99How to Repair a Water Softener - 58