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Models > DU450 Maytag

DU450 Jenn-Air Dishwasher - Overview

Get Parts and Repair Help for DU450

If you know the dishwasher repair part you need, you can browse the list of all parts on the DU450, or you can search by name or part description. You can also find your part by where it is located on the DU450 by selecting a section below. If you’re not sure which part you need, you can narrow your search by selecting a common symptom and we’ll show you the repair parts most likely to fix your dishwasher. Installation instructions provided by other do-it-yourselfers will help guide you through your repair.

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Float Switch

Water that fills your dishwasher lifts this float. When it reaches a certain level, the float triggers the float switch to shut off, thereby shutting off the flow of water into th...


Impeller Screw



10 - 16 x .375

Detergent Cup Cam and Spring Kit

An actuator connected to the timer is lifted by the cam and releases the detergent dispenser. There is a spring that holds the actuator tight against the cam, if the spring is broken the dispenser can stick open or closed.



Detergent Cup Seal and Cover Kit





Search Instructions
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Dishwasher would not fill with water

  • Customer: Clifford from Palm Harbor, FL
  • Difficulty: Easy
  • Time to Complete: Less than 15 mins
  • Tools Required: Nutdriver, Screw drivers
  • 10 of 27 people found this instruction helpful
Remove the lower panel by taking out the 2 screws on top and 2 at the bottom of the panel. To diagnose the problem, verify that there is water supplied from the valve under the sink to the water supply valve under the DW. This can be done by turning off the valve under the sink, disconnecting the copper supply line under the DW then turning on the valve un... read more

No water would enter in dishwasher

  • Customer: Rick from Laingsburg, MI
  • Difficulty: Really Easy
  • Time to Complete: 15 - 30 mins
  • Tools Required: Screw drivers
  • 4 of 9 people found this instruction helpful
Removed covers on the bottom of dishwasher so I could get access to area. Measured no voltage on water inlet pump. removed to wires from foat switch, one screw to remove float switch. When I pressed the float switch button to activate the switch would not move. Ordered and replaced the switch. 30 minutes tops read more

Dishwasher was overfilling

  • Customer: James from AMISSVILLE, VA
  • Difficulty: Very Easy
  • Time to Complete: 15 - 30 mins
  • Tools Required: Screw drivers, Socket set
  • 1 of 1 people found this instruction helpful
Remove lower cover, 4 Phillips screws. Remove bracket with float switch, two hex head screws in the rear. After removal pull switch wires, two in plastic housings. Remove float switch, one small Phillips head screw. Remove float switch lever, one Phillips head screw. Clean the bracket and lever. Replace the lever and lube with silicone. Replace the fl... read more