In older kitchens in particular, the dishwasher is often not included in the water connections. The easiest way is then to install a suitable angle valve and connect the dishwasher.
Connect the dishwasher to hot or cold water
First of all, it should be clarified how the dishwasher should be connected. Basically, the dishwasher can be connected to hot or cold water. There are advantages and disadvantages to both connection variants.
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Angle valves can be found everywhere in buildings
Newer kitchens can have a separate corner valve for the dishwasher. Angle valves can be found on almost every water connection in a building:
- Toilet flushing
- Washing machine
Angle valve mostly uniform, but only one connection
Since the dimensions of the angle valves are almost uniform in terms of the connections, a uniform connection option is guaranteed. However, dishwashers did not become popular until the 1970s and 1980s. Therefore, many older existing buildings are not equipped with an additional angle valve for a dishwasher. That can go as far as objects from the 1990s.
Replace normal valve with combi angle valve
In this case, of course, there is no need to lay a new water pipe. However, it is likely that only one angle valve with one connection is installed. The specialist trade offers so-called combi-angle valves. These are angle valves with at least two connections. So you just have to consider whether you want to connect the dishwasher to hot or cold water.
Possible extension of the water connection
Only the length will probably not be sufficient for the water connection of the dishwasher. Here you can read how to extend an angle valve. In addition, consider that the sewage connection must of course also be made.
Connect the dishwasher to the angle valve
You should actually connect the dishwasher to the angle valve when the valve of the valve is closed. After the water connection hose is installed, turn on the water slowly and check whether all connection points are actually tight.Tips & Tricks Never leave the angle valve fully open. Open the angle valve as far as it will go and then close it a little (a quarter turn, for example). This prevents you from being able to loosen the valve later if there is limescale deposits or other dirt particles such as sand in the valve. You can read in detail here what to do when there is no more water coming from the angle valve.