How to Clean a Bosch Dishwasher Drain Hose

Written by nathan mcginty
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How to Clean a Bosch Dishwasher Drain Hose
(Jupiterimages/Comstock/Getty Images)

Bosch manufactures a number of different dishwasher models and styles. These kitchen appliances help to make your household duties a little easier by cleaning off dirty dishes automatically. After the dishes are washed in the Bosch, the water is pumped out through a drain hose and into your home's sewer system through the kitchen sink. Occasionally these drain hoses become clogged. When that happens, you should clean your Bosch dishwasher drain hose as soon as possible.

Skill level:
Moderately Easy

Things you need

  • Phillips screwdriver
  • Pliers
  • Towel
  • Pan
  • Garden hose
  • Sprayer attachment

Show MoreHide


  1. 1

    Unplug the dishwasher or turn off the power to the circuit where the dishwasher is installed.

  2. 2

    Remove the lower kickplate. This is located directly beneath the dishwasher door. Depending on your Bosch model, the screws for this may be at the bottom or the top. If they are located on the top, you will have to open the dishwasher door in order to access the screws. Remove the kickplate and set aside.

  3. 3

    Place a towel or small pan - such as a pie tin or baking tray - underneath the washer to catch any water that might run out of the hose.

  4. 4

    Locate the drain hose. This is on the bottom of the dishwasher and connected to the dishwasher pump. Take care not to confuse this with the recirculation hose, which is installed nearby, but not connected to the pump. Use a pair of pliers to squeeze the clamp ends together where the hose meets the pump to pull the hose off the pump nipple.

  5. 5

    Open up the cabinet underneath the sink where the Bosch drain hose terminates. Squeeze the hose clamp and remove the hose from the nipple on the underside of the sink.

  6. 6

    Take the drain hose outside. Attach a sprayer onto the end of your garden hose. Point the sprayer down the hose and pull the trigger to power away any clogs or mildew that may be inside the Bosch dishwasher drain hose.

  7. 7

    Reattach one end of the hose to the inlet on the underside of the sink. Secure with the hose clamp. Run the other end of the dishwasher drain hose to the pump on the underside of the Bosch. Secure the other end of the hose to the pump with the hose clamp.

  8. 8

    Reattach the front kick panel. Secure with the screws. Restore power to the dishwasher.

Tips and warnings

  • The above steps are just a guideline. Always follow the specific steps recommended by Bosch for your particular model. Consult your owner's manual.

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