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How to Install Your Own Dishwasher

How to Install Your Own Dishwasher

Installing a dishwasher is easier than you think. Try it out with these simple steps.

Tools Needed:
  • Power drill
  • Hole saw
  • Level
  • Screwdriver
  • Adjustable wrench
  • Tubing cutter
Materials Needed:
  • Wire nuts
  • Drain hose
  • Compression fittings

Step 1: Prepare the Dishwasher for Installation - Read the manufacturer's instructions for the location of the power supply and drainage lines - some will have separate holes for each line. Remove the bottom access panel to find the power cord connection, inlet solenoid valve and drain outlet. Measure and mark the location to cut a 1-1/2" hole in the wall of the sink cabinet. Slide the dishwasher into place and verify the location. Adjust the mark if necessary. Slide the dishwasher back out and set it aside to make more room to work beneath the cabinet.

Step 2: Cut the Hole for the Supply and Discharge - Cut the hole in the cabinet wall with a power drill and hole saw.

Step 3: Connect the Lines - Run the drain tubing, supply line and power cord. Slide the dishwasher into place. Level the dishwasher by adjusting the threaded feet. A good way to check for level is to open and close the door - it will operate smoothly if the dishwasher is level. When level, tighten the locknuts. The mounting brackets for the dishwasher should also be aligned with the underside of the countertop and the side of the cabinet. Install the compression elbow on the dishwasher solenoid. Bend the supply line so it lines up with the elbow. Slide the compression nut over the tubing, then place the compression ring over the end. Connect the tubing to the solenoid using an adjustable wrench. Install a tee on the hot water supply. Measure and cut tubing to the tee. Connect with compression fittings. Turn on the water. Inspect for leaks, then tighten connections if necessary.

Step 4: Install the Drain Line - Replace the regular sink drain tailpiece with one that has a side inlet. Connect the drain line to the dishwasher outlet using hose clamps. Measure the hose and cut it to length so it connects to the inlet with another hose clamp. If local codes require an air gap, read the instructions to install one.

Step 5: Hook up the Power - Match the wires: connect white to white, black to black and the green to the ground screw. If the colors are different, read the manufacturer's instructions for connecting the wires. Connect the wires with wire nuts. Plug the power supply cord into an electrical outlet installed under the sink cabinet. Run the dishwasher through a test cycle to make sure it works properly.

Source: Home Depot

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