Danby Tank Seal / Valve Leakage

Humidifier leaks water from the base

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Possible Causes

Cracked water tank, Worn tank cap gasket, Misaligned tank valve, Overfilling or tilting during operation

How to Fix / Troubleshooting

Safety first: Unplug the humidifier and empty water before inspection.

  • Step 1 – Inspect tank: Remove the tank and check for visible cracks or damage, especially around the bottom and handle.
  • Step 2 – Check cap and gasket: Examine the tank cap and rubber gasket for wear, deformation, or debris. Clean and reseat the gasket.
  • Step 3 – Test valve: Fill the tank and hold it over a sink. If water drips from the valve area when the cap is installed, the valve or gasket is leaking.
  • Step 4 – Level placement: Ensure the humidifier is on a flat, level surface and not being bumped or tilted during use.
  • Step 5 – Replace tank or cap: Replace the tank or cap assembly with Danby-compatible parts if leaks persist.

When to call a technician: Most tank leaks are resolved by replacing user-serviceable parts; professional service is rarely needed unless the base itself is cracked.

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Repair Difficulty

Very Easy 1/5

Required Part

Water Tank and Cap Gasket
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