Kenmore Valve Head Seal or O-Ring Leak

Softener leaking water from around the valve head

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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

Worn rotor seal and spacer stack, Cracked valve cover, Damaged O-rings on plumbing connectors, Over-tightened or misaligned fittings

How to Fix / Troubleshooting

Safety first: Unplug the unit, shut off water, and place the softener in bypass. Relieve pressure by opening a nearby faucet.

Step-by-step checks:

  • 1. Identify leak source:
    • Dry the area and observe where water appears: around the valve cover, plumbing connectors, or bypass.
  • 2. Plumbing connectors:
    • Tighten plastic nuts by hand only; do not overtighten.
    • Inspect and replace flattened or cracked O-rings on inlet/outlet connectors.
  • 3. Valve cover and rotor seals:
    • Remove the valve cover and inspect the rotor and seal/spacer stack.
    • Replace the rotor and seal kit if seals are worn or deformed.
    • Inspect the valve cover for cracks; replace if damaged.
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Repair Difficulty

Hard 4/5

Required Part

Rotor and Seal Kit
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