Kinetico Tank Switching Failure (Twin Alternating System)

Kinetico twin-tank softener remains on one tank and never switches to the other tank.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Stuck or damaged switching valve, Meter not triggering tank change, Control disc misalignment, Broken inter-tank port seals

How to Fix / Troubleshooting

Safety first: Bypass the system and relieve pressure before working on the valve.

Observation:

  • Note which tank is in service and whether the other tank ever regenerates.
  • Check the meter function to ensure it is counting usage.

Valve inspection:

  • The tank switching valve is integrated into the Kinetico control head and is not easily serviced by homeowners.

Resolution: Tank switching issues typically require professional disassembly and rebuilding of the control head, including replacement of switching seals and verification of disc timing.

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Repair Difficulty

Professional Required 5/5

Required Part

Tank Switching Valve Assembly
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