Sub-Zero Clogged Refrigerator Evaporator Drain

Water leaking inside the refrigerator compartment, pooling under crisper drawers.

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Possible Causes

Food debris or algae in drain trough, Frozen drain tube, Improper leveling causing water to miss drain, Damaged drain grommet

How to Fix / Troubleshooting

Safety first: Disconnect power before removing interior panels.

Step 1 – Remove drawers and panels

  • Take out crisper drawers and any lower shelves to expose the back wall.
  • Remove the evaporator cover panel to access the drain trough.

Step 2 – Clear the drain

  • Locate the drain hole at the center or rear of the trough.
  • Use warm water and a small brush or pipe cleaner to remove debris.
  • Flush the drain with warm water until it flows freely to the pan below.

Step 3 – Check leveling

  • Verify the refrigerator is level front‑to‑back so water flows toward the drain.
  • Adjust leveling legs if necessary.

Step 4 – Reassemble

  • Dry the area, reinstall panels and drawers, and restore power.
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Repair Difficulty

Easy 2/5

Required Part

Refrigerator Evaporator Drain
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