Thermador Interior Water Leak – Blocked Drain

Water pooling at the bottom of the wine cooler interior.

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Possible Causes

Clogged condensate drain hole, Kinked or blocked drain tube, Frozen drain due to poor defrost, Cracked drain pan

How to Fix / Troubleshooting

Safety: Unplug the unit before working inside the cabinet.

Steps:

  • Locate drain: Find the small drain hole at the rear of the interior, usually below the evaporator cover.
  • Clear blockage: Use a soft pipe cleaner or flexible brush to gently clear debris from the drain hole.
  • Flush drain: Pour a small amount of warm (not boiling) water into the drain to ensure it flows freely to the pan.
  • Check drain tube and pan: From the rear, inspect the drain tube and pan for kinks, clogs, or cracks. Replace damaged components.
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Repair Difficulty

Easy 2/5

Required Part

Condensate Drain Tube
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