How To Install A New Dishwasher

How To Install A New Dishwasher

In our last blog article we taught you how to remove an old dishwasher. Now that we know how to do that lets move on to the logical next step which would be how to install a new dishwasher. Once you have narrowed your choice down and decided on the which dishwasher to purchase you are now ready to install. Follow these steps.

Preparing The New Dishwasher

The first step is to thread the new L-Fitting into the solenoid. To do this you will want to turn the dishwasher onto its back to make it easier. We also reccomened that you apply some teflon tape to the thread prior to attaching the L-Fitting in order to ensure a proper seal.

Preparing The Wiring

Before you do anything else you want to make sure that the power source is still shut off to the unit from when we did the unistall of the old dishwasher. The new dishwasher will have an integral electrical box where you make all of your wiring connections. Just like with the old dishwasher that you removed it should be located at the front right side of the unit. To gain access to the box just simply remove the cover. Once the cover is removed you can then install the cable connecter to the back of the box and feed the power cable through it.

Levelling Leg Installation

While the dishwasher is still on its back you are going to want to install the levelling legs. You will take the levelling leg and thread it into each of the four corners of the unit. Keep in mind that you will want to leave about a 1/2″ of thread on each of the four legs from the bottom of the unit. This will allow you to make the necessary adjustments later on with you place the dishwasher right side up. At this point you can now flip the unit up onto its feet. You will want to take a level and pace it on the top of the dishwasher. With the level in place adjust any of the four legs until the unit if completely level.

Attaching The Brackets

Next, attach the braces to the underside of the countertop which assist in keeping the applicant from moving once in place. Once completed you can then attach the discharge hose inside the sink cabinet. To do so you can screw in the discharge hose bracket to the underside of the cabinet making sure that you install it with a loop in the hose to disallow any water waste flowing from the disposer back into the dishwasher. Keep in mind that an air gap fitting install is required with some codes. If you are unsure if you require one please contact us for help.

Install the Adapter

Push the adapter over the disposers discharge nipple and then proceed to secure it in place by tightening the hose clamp. If you do not have a disposer you will need to clamp the discharge tube onto the dishwasher tailpiece.

Connect Water Supply

You want to locate the L-Fitting you installed a few steps earlier and make sure that it is pointing directly towards the water supply tubing, if not adjust it. Once in place you want to lubricate the threads of the fitting with some dishwashing soap and then attach the tubing with the compression nut using a wrench.

Attach the Electrical

Following the manufactures instructions you want to now complete all of the electrical connects inside of the electrical box of the unit. To do you so you want to clamp all of the joining wires with wire nuts. Once completed you can then replace the electrical box cover that we removed and restore the power to the unit. Once this step is completed you are ready to test the dishwasher.

And that should do it. Again if you have any questions or concerns regarding a dishwasher installation place feel free to contact us. Alternatively if you would like us to install your new dishwasher you can get a free estimate on the job and even schedule an appointment today.


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