Dehumidifier pump
A dehumidifier with pump included is useful but rare. We will look at why an internal condensate pump may be useful in portable dehumidifiers for home use and in situations where dehumidifiers are used outside the home, on a boat or in a second home for example. Dehumidifiers remove water vapor from the air by condensing it into liquid. This is called the “condensate”. The water is collected in a bucket which must be emptied once or twice every day. When the bucket is full the dehumidifier stops, so failing to empty it allows humidity to rise again, defeating the purpose of using the dehumidifier.
Sometimes it is not convenient to empty the bucket and for many folks it is just another chore they would rather do without. Every dehumidifier worthy of the name comes with a continuous drainage capability. There is a small outlet port in the dehumidifier casing for the water to come out. By attaching a small bore hose to the outlet the water can be allowed to run to a convenient drain, avoiding the need to empty the bucket. For most dehumidifier users this is all you need. The problem with continuous drainage on most dehumidifier models is that the flow of water depends on gravity. The drain must be below the level of the outlet in the dehumidifier and close to the appliance for drainage to be effective. If the water cannot drain the bucket fills up and the dehumidifier stops.
If you use a dehumidifier at a location distant from your main residence, a holiday home or a boat perhaps, and you have no convenient floor drain at this location, a dehumidifier pump is essential. On a boat, for example, there is a good deal of controversy about whether a dehumidifier can be drained into the bilges without risk to the vessel, so a pump could be desirable in some cases.
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