Learn how to install a built-in dishwasher 2026

Learn how to install a built-in dishwasher, a common and necessary job to do at home is installing the dishwasher, either because the kitchen is being built, remodeled or simply because the dishwasher has reached its useful life and needs to be replaced. If you are clear about the type of dishwasher you want to install, the dimensions of the space and the taps you will have, it will be a very easy job and will undoubtedly improve the functioning of the home.

Tools to use

• Caulking gun (for silicone)
• Pallet tip screwdriver
• Plain
• Mask
• Electric drill
• Jigsaw
• Wood drill bit
• Adjustable wrench

Materials to use

• Cold cola
• Teflon
• Neutral silicone
• PVC glue
• Built-in dishwasher
• Drain and overflow kit
• Siphon Kit
• Drain pipe 50 or 40 mm
• Down

Procedure:

#1. Mark outline on the cover

Place the dishwasher upside down on the cover and mark its outline. Leave a margin of 12 cm with the edge of the side and center it on the cover.

Measure the marked distances and transfer them to the back of the cover, since the cut begins with the pressed wood and not on the formalite side.

#2. Cut the cover

• Using the drill and wood drill bit, drill a corner of the marked space.
• Put the jig saw blade through that hole and cut the space to fit the dishwasher tub.

#3. Install the cover

• Using cold glue, glue the cover, which has the opening for the dishwasher, to the rest of the surfaces of the kitchen furniture.
• Fix the cover to the furniture, screwing the plastic brackets from below.

#4. Put in a drain and overflow

• Before placing the dishwasher on the countertop, you must put in the pipe that starts the drain, the overflow and screw in the drain grate.

#5. Connect overflow

With the dishwasher still turned upside down, connect the overflow hose to the drain.

#6. Connect siphon

• Screw the first nut of the siphon into the drain, then a tube and then the siphon receptacle.
• Each nut has a rubber that seals the joints so that water does not leak.

#7. Fix dishwasher

• Place a bead of neutral silicone on the openwork edge of the cover, where the cover will be recessed.
• Place the dishwasher and fix, with small screws, the tab of the dishwasher to the furniture from below.

#8. Drain pipe

• To connect the siphon to the drain hole in the floor, a pipe must be installed.
• This tube is attached to the siphon with a rubber seal and nut (part of the siphon kit).
• At the end of the tube that goes to the floor, a black rubber is placed, thicker than the rest of the seals, which prevents bad odors and water leaks.

#9. Install taps and flexibles

• Put the chosen faucet according to the number of holes the dishwasher has.
• Screw the flexible taps to the pipes. To seal any leaks, you can wrap the pipe thread with Teflon.

#10. Seal with silicone

• Before finishing, seal the joint of the roof with the wall, using a silicone bead at that joint.
• Run your wet finger along the cord to tune it and improve its finish.

Source: do it yourself

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