How to Change the Drain Hose of a Dishwasher

Jul 19, 2023, 15:04pm

The drain hose is strained when draining the dishwasher at the end of a wash cycle. With the drain pump, it allows the tank to be emptied and the water to be redirected outside.

The hose may be worn, clogged, clogged or punctured which will cause problems requiring replacement. The different possible symptoms are as follows:

  • The dishwasher is leaking
  • Unit is not draining properly
  • The device displays an error code linked to a draining problem.

The drain pipe is identifiable by its larger diameter than the water inlet pipe. It is flexible, otherwise ringed, and if usually found at the bottom, at the rear of the device.

The drain hose in a dishwasher is responsible for removing the dirty water from the appliance during the wash and rinse cycles. Over time, the drain hose can become clogged, damaged, or develop leaks, affecting the dishwasher’s performance. If you notice water leakage, blockages, or other issues with your dishwasher’s drainage, it may be necessary to change the drain hose. In this article, we will guide you through the process of changing the drain hose of a dishwasher.

How to Change the Drain Hose of a Dishwasher

1. Safety Precautions

Before you begin changing the drain hose, ensure that the dishwasher is completely disconnected from its power source and the water supply. This will prevent any electrical accidents and ensure your safety during the procedure.

2. Prepare the Necessary Tools and Materials

Gather the following tools and materials before starting the process:

  • New drain hose: Ensure that the replacement hose is compatible with your dishwasher model. Measure the length and diameter of the existing hose to ensure a proper fit.
  • Screwdriver: You may need a screwdriver to remove any screws or clips securing the old drain hose.
  • Pliers: Pliers can be helpful for loosening or tightening hose clamps.
  • Towels or bucket: Have towels or a bucket handy to catch any water that may spill during the process.

3. Locate the Drain Hose

The drain hose is typically located at the back of the dishwasher, connected to the pump or drain outlet. Trace the existing drain hose from the dishwasher to its connection point to identify its route and any securing clamps or brackets.

4. Disconnect the Old Drain Hose

To disconnect the old drain hose, follow these steps:

  1. Unplug the Dishwasher: Ensure that the dishwasher is disconnected from its power source.
  2. Turn off the Water Supply: If your dishwasher is connected to a water supply, turn off the water valve to prevent any water from flowing into the dishwasher during the process.
  3. Remove the Access Panel: If necessary, remove the access panel at the front or bottom of the dishwasher to access the drain hose.
  4. Disconnect the Hose from the Drain Outlet: Loosen the hose clamp or release the securing clip holding the drain hose to the drain outlet. Slide the clamp or clip away from the connection point and carefully pull the hose off the outlet.
  5. Disconnect the Hose from the Dishwasher Pump: Locate the other end of the drain hose connected to the dishwasher pump. Again, loosen the hose clamp or release the securing clip and carefully disconnect the hose from the pump.
  6. Remove the Old Drain Hose: Once both ends of the drain hose are disconnected, gently pull the old hose out of the dishwasher, being cautious not to damage any other components.

5. Install the New Drain Hose

To install the new drain hose, follow these steps:

  1. Verify Compatibility: Ensure that the new drain hose is compatible with your dishwasher model in terms of length and diameter. Compare it with the old hose to confirm a proper fit.
  2. Connect the Hose to the Dishwasher Pump: Slide one end of the new drain hose onto the dishwasher pump outlet. Use a hose clamp or securing clip to hold it in place. Tighten the clamp or secure the clip to ensure a snug fit.
  3. Connect the Hose to the Drain Outlet: Slide the other end of the new drain hose onto the drain outlet or plumbing connection. Again, use a hose clamp or securing clip to secure the hose in place. Tighten the clamp or secure the clip.
  4. Secure the Hose with Clamps or Brackets: Along the route of the drain hose, use clamps or brackets to secure it to the dishwasher or nearby surfaces. This helps prevent any sagging or excess movement of the hose.
  5. Reassemble the Dishwasher: Replace the access panel if you removed one earlier.

How to Change the Drain Hose of a Dishwasher

6. Test the New Drain Hose

With the new drain hose installed, it’s important to test its functionality:

  1. Reconnect the Power and Water Supply: Plug in the dishwasher and turn on the water supply.
  2. Run a Test Cycle: Start a dishwasher cycle and closely monitor the drainage. Ensure that the new drain hose effectively removes water from the dishwasher without any leaks or blockages.
  3. Check for Leaks: During the test cycle, inspect all connections of the new drain hose for any signs of water leakage. If you notice any leaks, turn off the dishwasher and recheck the connections to ensure they are secure.

By following these steps, you can successfully change the drain hose of your dishwasher, resolving issues with drainage and ensuring proper water removal. Remember to consult your dishwasher’s manual or refer to the manufacturer’s instructions for any specific guidelines or recommendations. If you are unsure about changing the drain hose yourself or encounter any difficulties during the process, it is recommended to seek the assistance of a professional appliance technician. They have the expertise and tools necessary to safely and effectively change the drain hose.