Portable dishwashers are useful in locations where you are pressed for space. If you've recently remodelled your kitchen, for example, and suddenly find yourself with more space than before, it might make sense to permanently hook up your portable dishwasher, rather than buy a new one. The only tricky part of this project is converting the old portable water and drainage fittings to a permanent installation.
- Skill level:
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Things you need
- Measuring tape
- Dual water supply outlet (if needed)
- Plumber's tape
- Adjustable wrench
- Pipe coupling
- Pipe clamps
- Water supply hose
- Installation brackets
Remove the portable dishwasher from its outer shell. Use a screwdriver to remove the screws from around the outside of the unit. Pull the dishwasher out of the plastic casing.
Measure the stripped dishwasher to determine how much space it requires. Ensure that you have the proper amount of space beneath the countertop or wherever you're installing it.
Hook up an electric supply for the dishwasher. The easiest solution is to install an electric outlet in the location you have chosen, if you don't have an outlet there already. In most cases, this will require installing an outlet beneath your countertop.
Prepare the water supply. Install a dual water outlet, if one is not already present. This will enable you to hook up your dishwasher to your sink's water supply. One hose will run to the sink faucet, the other to the dishwasher inlet. If you have to install the dual water outlet, make sure to turn the water supply off at the main.
Connect the dishwasher's water supply and drain to the dual outlet. Cut off the end of the dishwasher hose that contains the sink adaptor. Take this to your nearest hardware store or plumbing shop to size a coupling that fits the end. Install the coupling and clamp it on the end of the hose. Connect this coupling to the dual water supply valve with a water supply hose. Wrap the threads on the dual water supply valve and the coupling with plumber's tape before you connect them.
Attach the drain hose to the sewer connection. How this is done depends on your installation. In some cases, it will connect to the sink trap, in others, to the garbage disposal. Clamp the hose in place with hose clamps.
Move the dishwasher to its final location. Secure it in place with installation brackets.
Run a test load with an empty dishwasher. Restore water and power to the dishwasher. Watch the drain and water supply hoses for leaks. Tighten any couplings or clamps if necessary.
Tips and warnings
- Some manufactures sell conversion kits that allow you to easily convert portable dishwashers to a permanent installation. An example is linked below in Resources. Check online for your particular model.
- If in doubt about any of the steps above, consult a professional.
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