My Humidifier Is Leaking Water


Humidifiers commonly are found in homes that are located in dry or arid climates, are used during the winter, and usually are connected to a furnace to provide additional moisture to the air throughout the home. The whole-house humidifier works by bringing air into the main unit and passing it through a system of filters and water to add moisture to the air. The air is sent back into the home through the heating system. Regular maintenance should keep a humidifier working well, but if issues arise, troubleshooting may be useful.

Things You'll Need

  • Wrench (if necessary)
  • Clean cloths
  • Towels
  • Dish-washing liquid
  • Drain the water reservoir tank, which may leak if it becomes too full. Most humidifier holding tanks have a floating mechanism that may get stuck or dislodged if too much water enters the tank, allowing water to leak. Once the tank is drained, the float mechanism should return to its proper position.

  • Tighten all valves, connections and fittings on the humidifier.

  • Place a towel under the water valve and turn off the humidifier. Check the water valve and clear away any obstructions. Clean the water inlet screen on the water hose and reconnect the hose to the valve. Verify that the water valve is completely turned on once it is reconnected. Restore the power.

  • Turn off the humidifier and open the front access panel to slide out the filter. Clean the filter with warm, soapy water and rinse until the water runs clear. Allow the filter to air dry thoroughly. Restore the filter in the humidifier and return power to the unit.

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