How to Hook Up a Bosch Dishwasher
All dishwashers install in basically the same way. However, a Bosch dishwasher requires that you do some very specific extra steps in order to hook up the Bosch dishwasher correctly. There is a specific order and method to attaching the water lines. None of this is difficult to do, but you will have to pay close attention and follow the steps exactly. Does this Spark an idea?
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Things You'll Need
- Teflon tape
- Water supply line
- Wire stripping pliers (if needed)
- Electrical tape (if needed)
- Crescent wrench
- Bosch dishwasher manual
- Tape measure
- Duct tape
- 2 Phillips head screws, 1/2 inch
- Phillips head screwdriver
Instructions
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1
Wrap all threaded connectors with a layer of teflon tape (also known as Plumber's tape). This will help insure a watertight seal. Begin at the base of the threads and wrap the tape, overlapping the tape 1/8 inch on each pass. When the threads are covered, cut the tape off the spool and press the end onto the threads to hold it in place.
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2
Pull your water supply line through the opening between the cabinet and space for the dishwasher. Usually there will be a hole cut out near the rear of the cabinet for your dishwasher connections to pass through. If not, there will be a simple gap left for this purpose.
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3
Put the electrical plug end of the power cord for your Bosch dishwasher through this hole or gap as well. If your dishwasher is meant to be hardwired, pull the wires through the hole. Then, from inside the cabinet, strip and splice the wires from the dishwasher to the wires leading to the house electricity. Make sure you have turned the power off for the kitchen before doing this. The black wire from the dishwasher gets spliced to the black house wire--this is the ground wire. Splice the white wire from the dishwasher to the power supply wire from the house. This wire may be blue, green or white. Building codes allow for those colors for power, and black only for ground.
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4
Connect the water supply line to the threaded connector located underneath the front left of the dishwasher. Dishwasher are designed with a 4-inch high work area that is hidden by the front panels of the face of the dishwasher. You can access it from the back of the dishwasher, or grab the panel beneath the door on the front and lift it up and then off to open the front access.
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5
Use the installation manual that came with your Bosch dishwasher to get the exact measurements for where the water supply line and power line must be placed in order for the dishwasher to fit over them. This page will have a diagram of the bottom of the dishwasher showing the two lines with exact measurements placing the lines in specific locations under the dishwasher. Use a tape measure to find these on your floor and tape the lines in place with duct tape. If you do not do this you will not be able to slide the dishwasher into place and may crush or cut the lines. The measurements will be different depending on the specific model you have.
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6
Slide your dishwasher into place. As you do so, gently pull on the power and water supply line from inside the cabinet to draw the slack in the lines into the cabinet. This will also help prevent them from getting crushed.
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Tips & Warnings
After your drain hose is connected to either your garbage disposal or sink drain, hang the hose so it is above the level of the connection. Wrap a piece of duct tape around the hose long enough so the two ends form a "handle" above the hose when pressed together. Hold the hose up by the handle and attach the tape handle to the back face of your cabinet with two small screws. This will prevent dirty water from your sink or garbage disposal from entering the dishwasher.
Do not leave a drain hose so it hangs below the sink or garbage disposal connection (as it first comes off the connection). Dirty water from the sink or disposal can drain down into the dishwasher, bringing with it bacteria and mold. This could make your whole family sick. Some cities require that you install an air trap connector between drain hoses and sinks and disposals so there is no chance of this occurring. Check your local building codes to see what is recommended.
