Install a dishwasher

Dishwashers are nearly as common as washing machines. Like washing machines, you can also connect and install a dishwasher yourself. New apartments and houses usually already have all the additional connections. You may also need to install them later. The installation and connection of the dishwasher and the connection components are explained below.

Before you buy a new device

If you first need to buy a dishwasher, consider the dishwasher. In addition, the water consumption of the dishwasher should also comply with current standards. You may also agree with the seller that he takes over the connection of the new device and possibly also the disposal of the old dishwasher.

Preparatory work before the actual connection

If you want to install the dishwasher yourself, first make sure that all connections are present. In new buildings, all connections are usually preinstalled, but in numerous old and existing buildings you must make an initial installation:

  • additional connection to the sink drain (in front of the siphon)
  • additional water connection with separate valve
  • Power connection (pay attention to structural and safety regulations!)

Components for connection

If the connections for the dishwasher are not available, you can easily mount them yourself. Specialist retailers and well-stocked hardware stores offer all the required parts:

  • Drain pipe Tee or Y-piece
  • Block valve with two connections
  • Electrical installation materials

Site of the dishwasher

Bear in mind that the dishwasher should be as close as possible to the water connections, ie ideally next to the sink.

Step-by-step instructions for installing a dishwasher

  • possibly check valve
  • possibly fitting pipe piece for the drain
  • possibly electrical installation material
  • hemp
  • vaseline
  • dishwasher
  • Wasserpumpenzange
  • wrench
  • screwdriver
  • spirit level
  • work light

1. Preparation of the connections

Remove the pipe under the sink in front of the siphon and replace it with the new piece with branch. Then turn off the main water tap and unscrew the simple shut-off valve in the sink box. Wrap enough hemp on the external thread and screw down the duo valve.

Lay the power line according to building standards, ie not at an angle over walls, but always at right angles. Also pay attention to sufficient distance to the ground (in case of a flood).

2. Connecting and installing the dishwasher

a) Remove the worktop

Many under-counter dishwashers are nevertheless equipped with a worktop. This can easily be removed. The manufacturer's operating instructions provide information on how to remove them. So dishwashers can be used as a built-in or body-built device.

b) Install inlet and outlet hose

If the hoses are already installed on the dishwasher, they may need to be removed (if you need to lay them behind other kitchen shelves) as the Aquastop box is too bulky. Now install the inlet hose on the check valve and the drain hose on the siphon.

c) First leak test

Make sure that both hoses can not be kinked. Adjust the dishwasher so that you can still connect the hoses. Turn on the water and do a first leak test. If everything is ok, you can plug in the device. Now he is pushed into the designated niche.

d) Set the dishwasher (into the water)

If you can no longer align the dishwasher (adjustments to the feet), you must do so before moving to the final stand.

e) Final test run with renewed leak test

If the dishwasher is now in its place, first carry out a test run (preferably without dishes). The manufacturer's manual offers here often more information. During the first wash and after that, check the connections for any leaks.

Tips & Tricks

If you do not know whether to use cleaning brush or dishwasher powder better, follow the link. There you will find detailed information on the advantages and disadvantages of both systems.

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