Essick Air Water Bottle or Reservoir Leak

Humidifier leaks water onto the floor from the base or around the bottle.

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Possible Causes

Cracked Essick Air water bottle, Worn or damaged bottle cap gasket, Misaligned bottle on valve assembly, Cracked reservoir base or drain plug seal

How to Fix / Troubleshooting

Safety first: Unplug the unit and remove it from any electrical devices or carpets. Mop up spilled water immediately.

  • Inspect the bottle: Remove the water bottle and check for cracks, especially around seams and handle. Replace the bottle if any cracks are found.
  • Check cap and gasket: Examine the bottle cap and rubber gasket for wear, deformation, or debris. Replace the cap/gasket assembly if it does not seal tightly.
  • Verify seating: When reinstalling the bottle, ensure it is centered and fully seated on the valve post. You should see air bubbles as water flows into the base.
  • Inspect reservoir base: Look for hairline cracks or leaks around molded seams and any drain plugs. Replace the base or gasket if leaking.
  • Level the unit: Make sure the humidifier is on a flat, level surface to prevent overflow on one side.
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Repair Difficulty

Easy 2/5

Required Part

Water Bottle and Bottle Cap Gasket
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