Connecting a table dishwasher

Sometimes it is not possible to run a conventional dishwasher. For such cases, manufacturers offer tabletop dishwashers. These are more or less mobile – but also smaller. There are two ways you can connect a table dishwasher.

Table dishwashers considerably smaller than conventional appliances

Standard dishwashers are about the same size as a household washing machine. This means that they are appliances that are permanently installed in one place. Even the smaller single machines are still very large, as the dimensions of all dishwashers make clear.

Numerous reasons speak for a tabletop dishwasher

Now, not every kitchen has enough space for a large dishwasher. Likewise, even a single dishwasher can still be far too big. But there are numerous other occasions when a dishwasher would be worthwhile:

  • when there is too little space for a permanently installed dishwasher
  • in offices and workplaces
  • in weekend cottages and summerhouses
  • at smaller parties and events
  • on holiday and camping

For this purpose, dishwasher manufacturers have developed another appliance – the tabletop dishwasher. Table dishwashers are considerably smaller than conventional appliances, but can also be easily transported and thus temporarily set up.

Also of interest: Connecting a dishwasher drain

Connecting a tabletop dishwasher

However, this also results in special features when connecting these appliances. If you were to connect them like conventional dishwashers, they would have to be permanently connected to the drain and water supply in the kitchen. Connecting and disconnecting the dishwasher every time it is used would be too much effort. So connecting it like a normal dishwasher is usually not worth it.

Connection to the tap

Special connection options are available from specialist dealers. The connections of the tabletop appliances themselves are usually already prepared for other connection options. For example, many tabletop dishwashers have an inlet hose with an aerator connector. The old aerator simply has to be removed from the tap. In some cases, however, adapters (reducers) are necessary because the thread diameter does not fit.

Connection to stop valve and siphon

The drainage is then via the sink. Of course, it is also possible to connect a table dishwasher conventionally. However, since most manufacturers assume that the dishwasher will be operated from the tap, it is more likely that you will need an adapter piece specifically for this type of connection. So before you start connecting the table dishwasher, you need to get all the necessary parts.

Also of interest: Where is the dishwasher’s transport lock?

Step-by-step instructions for connecting a table dishwasher

  1. Preparations

    Find out in advance whether the tabletop dishwasher you want is also available with other connection options. If you already have the appliance, check the connections available and buy the parts needed to connect the appliance according to your wishes.

  2. Temporary connection table dishwasher

    If you only want to connect the table dishwasher temporarily, it is sufficient to connect it via the water tap. Unscrew the old aerator. If you have to use the old strainer, clean it before using it again. Now connect the aerator that came with the table dishwasher.

    The drain hose can easily be hooked into the sink. Now plug in the appliance. Be sure to follow the manufacturer’s instructions when putting the appliance into operation. Especially if you have connected the inlet to a mixer tap (whether the manufacturer recommends cold, or warm – but not hot!).

  3. Fixed connection tabletop dishwasher

    You will need to insert a Y-pipe of suitable connection size in front of the siphon. Then turn off the main water tap and replace the stop valve under the sink with a double valve. Now connect the inlet hose to the second, free connection of the stop valve, connect the outlet hose to the connection on the inserted Y-drain pipe. Now plug in the unit. Again, be sure to follow the manufacturer’s instructions before using the unit for the first time.


  • Water pump pliers
  • Screwdriver if necessary
  • If the connection is fixed, a cloth and a container to collect the water.

Materials: Connect components to the drain (Y-connector for siphon, if fixed connection). Double stop valve, if fixed connection. Adapter piece for the existing tap or double stop valve. Hemp for wrapping around the external threads of pipe connection components.

Also of interest: Table dishwasher – where to put it?

You can also make the permanent connection temporarily if you need the tap (for example, because the unit is to be connected for days or weeks at a time). Specialist dealers offer coupling pieces. Simply insert them between the two hoses at the appropriate length. As with a garden hose, you can open the quick coupling at any time and then disconnect the appliance. Nevertheless, the connections to the siphon and the stop valve remain intact.

David Shaw

David Shaw

Dishwashers expert with over 10 years of experience. He writes articles and shares his knowledge on many sites. Helps you choose the best (portable, countertop, built-in) dishwashers on this site.

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