How to Drain a Dehumidifier


A dehumidifier is a device that removes excess moisture from the air. It is commonly used in damp basements of houses or homes where the humidity settles and is not easily dispersed due to the closed nature of a basement setting. All dehumidifiers collect and condense moisture that is then deposited into a built-in bucket or water holding reservoir. When the reservoir becomes full, a switch activates that will turn off the dehumidifier until the water has been emptied or drained.

Things You'll Need

  • Water hose
  • Turn off the dehumidifier. Pull out the water holding reservoir that holds the condensed water. Many styles have handles for ease of the reservoir removal. Take the reservoir to the nearest drain and pour the water into it. Replace the water reservoir and turn on the dehumidifier.

  • Ascertain whether the water holding reservoir has a drain hose connection. Many modern dehumidifiers have this feature. If it does, acquire a water hose with a standard hose fitting that will connect to the fitting on the dehumidifier.

  • Remove the end cap that covers the drain fitting on the dehumidifier drain reservoir by unscrewing it. Screw the water hose onto the drain fitting. Run the hose to the nearest drain and position it so that when water flows through the hose, it will exit into the drain. In this way, the dehumidifier will automatically drain and the reservoir will never have to be emptied.

Tips & Warnings

  • In all instances of proper automatic draining, the dehumidifier must sit higher than the hose where it meets the drain.

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  • Photo Credit Hemera Technologies/ Images
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