Vaillant Condensation on Cold Surfaces

Softener resin tank sweats or shows condensation, with occasional drips onto the floor

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Possible Causes

High ambient humidity, Cold incoming water temperature, Lack of insulation on tank, Poor ventilation around unit

How to Fix / Troubleshooting

Safety: Ensure any electrical components are protected from moisture.

Steps:

  • Improve ventilation: Increase airflow around the softener by opening cupboard doors or adding vents.
  • Insulate: Fit an insulating jacket around the resin tank if available and approved by Vaillant.
  • Manage humidity: Use a dehumidifier in very damp locations.
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Repair Difficulty

Very Easy 1/5

Required Part

Insulation Jacket (optional accessory)
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