Normally, it should not be a problem to connect a dishwasher properly to the drain. This is especially true if there is already a corresponding connection at the drain. Unfortunately, however, this is far from always the case.
What you should look out for when connecting the dishwasher
A dishwasher needs a water inlet and a drain connection, similar to a washing machine. In order to be able to connect the dishwasher to a drain properly, there should be an outgoing connection at the sink, for example, to which the dishwasher can be connected. You can recognise this by the waste connection directly under the sink, which should then have a connection on the side that connects to the dishwasher’s waste pipe. If this is the case, you may only need to remove a cover on this connection and can connect the dishwasher here. If not, you will have to install an additional waste water connection, which is usually not a problem.
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How to connect the dishwasher to the drain?
You can usually connect the dishwasher to the drain under the sink yourself without having to hire a tradesman. This also applies if no water drain has yet been provided for a dishwasher. To connect the dishwasher in this case, you need a small piece of pipe to which an additional connection has been attached. This component is mounted directly under the sink. To do this, the following work steps must be carried out:
- Unscrew the lower pipe bend from the waste connection on the sink.
- Insert the new pipe section between the unscrewed component and the connection on the sink, making sure that the additional connection points upwards at an angle.
- Make sure that all the seals are correctly seated when making the connection.
- Connect the dishwasher to the additional connection, preferably using a hose clamp.
- Check the entire connection for leaks
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What you should pay attention to when connecting the dishwasher
Make sure that the water hose, for which you need an additional water connection, is connected correctly. This should be fitted with a tap so that the connection can be turned off at any time. After connecting the dishwasher, also check everything here for leaks and do not forget to install the supplied seals correctly.