The dishwasher is one of the most important appliances in any kitchen. But it can also be one of the most confusing to install. It’s best to work with a professional, especially if you’re dealing with any plumbing or electrical work, but if you’re armed with the right tools and a bit of knowledge, it’s not hard to do it yourself. Before you start working, however, make sure to shut off electricity at your circuit breaker and water at the valve under your sink.
The first step is to ensure that your new dishwasher can fit in the space where you want it to go. The opening for a dishwasher needs to be slightly larger than the appliance itself, so measure the width, depth and height of the cabinet and compare them to the dimensions in your dishwasher’s owner’s manual.
Next, you’ll need to decide where the water supply line and power cord hook up. Generally, you’ll need to route the water supply line from the shut-off valve under your sink, through a hole in the cabinet underneath the sink and to that 90-degree fitting that comes with the dishwasher. The drain hose will connect from that piece on the back of your dishwasher to a flexible tubing running to the sink pipe or garbage disposal, depending on how you’ve set things up.
You’ll also need to determine whether your plumbing codes require a special air gap fitting in the dishwasher drain line. This will prevent clogs and flooding, which can be a real pain in the butt.
Once you’ve determined all that, it’s time to get started on the actual installation. Start by removing any packing materials, including the Styrofoam pieces inside. If you have boards included in the box for use as shims, set them aside to help you level your cabinets. Then carefully tilt the dishwasher on its side and remove the shipping base, allowing you to access the cabinet opening to install it.
After that, you’ll need to install the anchor brackets (or mounting screws) on the left and right sides of the dishwasher, or on the top if you’re installing it on a wood countertop. Use a level to check that the brackets are straight, then screw them in place.
Now you can attach the power cord and drain hose and plug in the dishwasher. If you’ve used a gray cord with smooth and ribbed wires, make sure the ribbed wire is connected to the grounding wire on the outlet plate, then replace the cover. It’s a good idea to test the dishwasher with a few dishes before you run a full load of dishes to ensure everything works properly. And remember, only licensed tradespeople should touch your home’s water, sewer or electrical systems. Otherwise, you could end up with a costly repair bill or even worse, a deadly fire. It’s just not worth it. For safety and peace of mind, hire a reputable professional to do the job.
source https://flowlinkplumbing.wordpress.com/2024/09/21/how-to-do-dishwasher-installation/
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