Kinetico Continuous Drain Flow in Service Mode

Kinetico softener continuously drains a small stream of water even when not regenerating.

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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

Leaking drain valve seat, Debris under piston or seal, Cracked piston, Mispositioned control disc

How to Fix / Troubleshooting

Safety first: Place the unit in BYPASS to stop water waste and relieve pressure before servicing.

Confirm condition:

  • Observe the drain line with the unit in service; any continuous flow indicates internal leakage.

Internal inspection:

  • Internal pistons and seals in Kinetico valves require specialized tools and procedures.

Resolution: This symptom almost always requires a control head rebuild with new pistons and seals or replacement of the valve body. Contact an authorized Kinetico technician to prevent further water waste and potential damage.

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Repair Difficulty

Professional Required 5/5

Required Part

Control Valve Piston and Seal Pack
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