First, have a bowl and bucket ready to catch any possible water spills, before switching off electricity in the area at its circuit breaker and switching off your dishwasher’s water source at its valve under the sink.
Remove shipping materials and save a large piece of cardboard for use during installation. Tilt the dishwasher backwards, remove its front access panel, and disconnect any tray sensors (if applicable).
Install the Water Line
As your dishwasher will receive its water supply from your house plumbing system, the first step in setting up your new machine should be turning off this line by turning the valve under your sink clockwise. If your single outlet shutoff valve has become problematic over time, consider upgrading to dual outlet shutoff (see HomeTips for assistance).
Next, disconnect the existing hot water supply tube from the sink’s shutoff valve by turning its locking nut counterclockwise with a wrench. Be sure to have a bowl or bucket handy to catch any water that might drain from it.
thread a 90-degree elbow fitting onto the water supply line and connect the fill hose by hand; tighten it an additional 1/4 to 1/2 turn using pliers; make sure there is a rubber washer inside this water hose fitting; route this line towards the rear of your dishwasher.
Install the Drain Hose
While many dishwashers come equipped with factory-installed drain hoses, others require you to connect one yourself. Most drain hoses loop around to the underside of your sink or connect directly with an air gap fitting on its deck or countertop to prevent waste water from seeping back into the dishwasher or garbage disposal and siphon back out again, which is an often-required code requirement in various areas.
Before disconnecting the dishwasher’s drain hose, first turn off its electrical circuit breaker (or disconnect from its wall plug if it’s unconnected) and use a screwdriver to loosen or open any metal plugs on the sink deck or countertop where you plan to place the new hose. Use a hose clamp to secure one end of the hose to its small tailpiece on an air gap fitting, while connecting its other end via another hose clamp directly to your garbage disposal inlet nipple for easy connection – be sure that no kinks form within 7/8-inch length! If necessary use a utility knife to trim away any extra length if necessary!
Install the Electrical Connections
Before beginning installation of a new dishwasher, be sure to disconnect electricity by switching off its breaker at your circuit panel and shutting off water supply from under your sink using its valve.
Installing a new dishwasher requires special materials that will accommodate it: stainless steel braided water lines specifically designed for appliances as well as drain hoses designed to connect directly with its drain outlet.
Assemble the dishwasher onto its back to access and identify its bottom access panel and wire connection fittings, and remove its cover plate before using wire nuts to connect each of its three wires – black for live, white for neutral, and green (or bare copper) for grounding – using the power cord’s three wires (black to black for live, neutral to neutral, ground). Reassemble its cover plate when finished.
Install the Dishwasher
Once the plumbing and electrical connections have been made, it’s time to install your dishwasher. Carefully tip it upright onto a piece of cardboard before sliding it into your cabinet opening with its feet touching flush with each side; using a level, make sure that its level with cabinets. Tilting can cause drainage issues if not installed properly.
Reattach the water valve connections (using Teflon tape if possible) and reconnect your drain hose to either your sink tail pipe or garbage disposal, positioning the high drain loop hose as directed to prevent backwash and prevent unwanted water and sewer smells from entering your kitchen.
Plug in the power cord and give your appliance a full cycle to test it for any necessary adjustments. When finished, switch back the electricity and water back on, install the front access panel back onto it’s frame, level your dishwasher to ensure proper positioning/anchorage, then attach anchor brackets.