Dishwasher Drain Pump

Dishwasher Drain Pump

The dishwasher repair drain pump is a critical component of a dishwasher’s plumbing system. Its primary function is to remove wastewater, including dirty water, food particles, and detergent residues, from the dishwasher’s tub and expel it into the home’s drainage system. Here’s what you need to know about the dishwasher drain pump:


  1. Wastewater Removal: The main function of the dishwasher drain pump is to pump out the used and soiled water from the dishwasher’s tub and expel it through the drain hose into the home’s plumbing or drainage system.

Features and Characteristics:

  • Type: Dishwasher drain pumps can vary in design and type, but they are typically electric pumps with impellers that create the necessary pressure to move water efficiently.
  • Location: The drain pump is usually located at the bottom of the dishwasher’s tub or sump, where it connects to the drain hose leading to the drainage point.
  • Material: Drain pumps are designed to withstand exposure to water and detergents and are typically constructed from materials like plastic and corrosion-resistant metals.


  1. Cycle Initiation: During the dishwasher’s wash and rinse cycles, water accumulates in the tub.
  2. Drain Cycle: Once a wash or rinse cycle is complete, the dishwasher’s control board initiates a drain cycle. The drain pump is activated, creating suction that draws the wastewater into the pump.
  3. Expulsion: The pump then pushes the wastewater through the drain hose, usually leading to the home’s sink plumbing or a dedicated dishwasher drain connection.

Maintenance and Care:

  1. Cleaning: Periodically inspect the drain pump area for debris, food particles, or other foreign objects that might obstruct the pump or its impeller. Clean any blockages as needed.
  2. Regular Inspection: Keep an eye out for leaks around the dishwasher or unusual noises during the drain cycle. These can be signs of a drain pump problem that requires attention.

Replacing the Dishwasher Drain Pump: If you need to replace the dishwasher drain pump, follow these general steps:

  1. Safety Precautions: Before you begin, turn off the power to the dishwasher by either unplugging it or switching off the circuit breaker. Also, shut off the water supply to the dishwasher.
  2. Access the Pump: Depending on your dishwasher’s model, you may need to remove the dishwasher from its cabinet or access the bottom panel to reach the drain pump.
  3. Disconnect Hoses and Wiring: Carefully disconnect the hoses and wiring that connect to the old drain pump.
  4. Remove the Old Pump: Typically, you’ll need to remove screws or fasteners holding the pump in place. Carefully remove the old pump from its housing.
  5. Install the New Pump: Securely attach the new drain pump in place, ensuring it is properly aligned and seated.
  6. Reconnect Hoses and Wiring: Reconnect the hoses and wiring to the new pump, making sure all connections are tight and secure.
  7. Test and Reassemble: Turn on the power and water supply to the dishwasher and run a test cycle to ensure that the new drain pump functions correctly and doesn’t leak.

Proper maintenance and replacement of the dishwasher drain pump are essential to ensure efficient drainage and prevent water leaks or other operational issues. If you’re uncertain about replacing the drain pump yourself, consider seeking professional appliance repair assistance.



Call Now Button647-303-4997