How to Change the Water Distributor of a Dishwasher

Jul 19, 2023, 13:43pm

The dishwasher is a household appliance that uses water to fulfill its role. For this, it is made up of different organs which each perform a very specific role: this is the case of the water distributor, also called water filler. Thus, the start of a washing cycle is done thanks to this part which effectively fulfills this role.

As its name suggests, it will distribute the water for washing on one side and for regeneration on the other. Indeed, this organ controls the arrival of water, distributes it in the various circuits and stops the filling when that proves to be necessary. It is an electrically controlled valve which acts on the flow of water in the circuit by an electrical signal.

The three main symptoms of a failing water distributor are:

  • the dishwasher does not start,
  • the dishes are poorly washed,
  • the dishwasher drains continuously.

After checking, if it is clear that the failure comes from these parts, it must be replaced. Since the operation is simple, you can do it by yourself.

The water distributor is located inside the appliance on one of the sides of the side panels varying according to the make and model of the dishwasher.

The water distributor, also known as the water manifold or spray arm assembly, is a critical component in a dishwasher that distributes water to the spray arms for effective cleaning. Over time, the water distributor can become clogged with debris or develop leaks, leading to poor cleaning performance or water leakage. If you notice any issues with your dishwasher’s water distribution, it may be necessary to replace the water distributor. In this article, we will guide you through the process of changing the water distributor of a dishwasher.

How to Change the Water Distributor of a Dishwasher

1. Safety Precautions

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

2. Access the Water Distributor

The water distributor is typically located at the bottom of the dishwasher, beneath the lower access panel or under the tub. Consult your dishwasher’s manual or refer to the manufacturer’s instructions to locate the specific position of the water distributor.

3. Remove the Lower Access Panel

To access the water distributor, you may need to remove the lower access panel of the dishwasher. Follow these steps:

  1. Disconnect the Dishwasher: Turn off the power supply to the dishwasher and ensure it is completely disconnected.
  2. Remove the Screws: Use a screwdriver to remove the screws securing the lower access panel to the dishwasher. Keep track of the screws as you will need them for reassembly.
  3. Take Off the Lower Access Panel: Carefully lift off the lower access panel, exposing the interior of the dishwasher.

4. Remove the Old Water Distributor

Follow these steps to remove the old water distributor:

  1. Identify the Water Distributor: Locate the water distributor, which is typically a plastic or metal component with multiple water inlet ports.
  2. Disconnect the Water Supply: Carefully disconnect the water supply lines connected to the water distributor. Be prepared for some water to spill out, so have a towel or bucket ready to catch any excess water.
  3. Remove Mounting Clips or Screws: The water distributor may be secured in place with mounting clips or screws. Use pliers or a screwdriver to remove these fasteners and detach the water distributor from the dishwasher.
  4. Take Out the Old Water Distributor: Gently lift and remove the old water distributor from its position, ensuring that you do not damage any surrounding components.

5. Install the New Water Distributor

Follow these steps to install the new water distributor:

  1. Position the New Water Distributor: Place the new water distributor in the same position as the old one, aligning it with the mounting holes or clips.
  2. Secure the Water Distributor: Use the appropriate mounting clips or screws to secure the new water distributor in place. Ensure it is tightly fastened but be careful not to overtighten.
  3. Reconnect the Water Supply: Attach the water supply lines to the corresponding inlet ports on the new water distributor, ensuring a secure connection. Use clamps or hose connectors to fasten the lines to the distributor.

6. Reassemble the Dishwasher

Once you have successfully installed the new water distributor, it’s time to reassemble the dishwasher:

  1. Place the Lower Access Panel: Carefully position the lower access panel back onto the dishwasher and secure it with the screws that were removed earlier.
  2. Restore Power Supply: Reconnect the power supply to the dishwasher by plugging it back into the electrical outlet.

How to Change the Water Distributor of a Dishwasher

7. Test the New Water Distributor

With the new water distributor installed, it’s important to test its functionality:

  1. Reconnect the Dishwasher: Plug in or restore the power supply to the dishwasher.
  2. Run a Test Cycle: Start a dishwasher cycle and monitor the water distribution. Ensure that the new water distributor effectively distributes water to the spray arms for proper cleaning.
  3. Check for Leaks: During the test cycle, closely inspect the area around the new water distributor for any signs of leaks. If you notice any leaks, turn off the dishwasher and check the connections to ensure they are properly sealed.

By following these steps, you can successfully change the water distributor of your dishwasher, improving water distribution and cleaning performance. 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 replacing the water distributor 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 replace the water distributor.