Kenmore Brine Tank Overfill

Salt tank full of water (brine tank overfilling)

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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 brine float not shutting off refill, Leaking brine valve, Clogged drain line preventing proper draw, Cracked brine line or fittings

How to Fix / Troubleshooting

Safety first: Unplug the unit and close the water supply. Place the softener in bypass.

Step-by-step checks:

  • 1. Manually remove excess water:
    • Use a small pump or wet/dry vacuum to remove water from the brine tank.
  • 2. Inspect brine float:
    • Remove the brine float assembly and check for salt buildup or mechanical damage.
    • Ensure the float shuts off water flow when raised.
  • 3. Check brine valve:
    • Inspect the brine valve for debris or wear that prevents sealing.
    • Replace the brine valve assembly if it leaks.
  • 4. Drain and venturi:
    • Clean the venturi/nozzle and verify the drain line is clear so brine can be drawn out properly.
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Repair Difficulty

Medium 3/5

Required Part

Brine Float Assembly
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