What causes a float switch to fail?

Float switches can fail due to mineral buildup, debris interfering with the float's movement, or electrical contact issues. Wear and tear over time can also degrade the switch's internal components, leading to inaccurate water level readings or complete failure to activate.

Can I clean a float switch instead of replacing it?

In some cases, if the issue is only due to mineral buildup or debris obstructing the float's movement, cleaning might resolve the problem. However, if the internal electrical contacts or the switch mechanism itself is faulty, cleaning will not be sufficient, and replacement is necessary.

Where is the float switch typically located in a dishwasher?

The float switch is usually located at the bottom of the dishwasher tub, often under the lower spray arm or near the drain. Its position allows it to accurately sense the water level as the tub fills during wash cycles.

Maytag Dishwasher Float Switch Replacement

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🏆 RECOMMENDED PART

W11545764 Float Switch Genuine OEM

This is part (Part # W11545764) dishwashers. It is a float switch, made of plastic. The set includes the float switch and it is suitable for built-in/integrated dishwashers.
Part # W11545764
Replaces : 4961879, AP7017824, EAP7017824
Follow the instructions in the installation guide when installing this part
Compatible with Brands : Kitchen Aid, Maytag

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What the W11545764 does

The float switch detects water levels inside the dishwasher tub. It signals the control board to prevent overfilling and can activate the drain pump if a high water level is detected.

Symptoms when this part fails

Dishwasher overfills with water
Dishwasher does not fill with water
Dishwasher continuously drains
Error code related to water level

Compatibility

Fits the Maytag family. Specifically:

Any unit originally equipped with OEM part number(s): 4961879, AP7017824, EAP7017824.
Check the model/rating plate inside your appliance and compare it against the fitment table on the product listing before ordering — this guide does not list specific compatible models because Amazon does not provide verified fitment data through this pipeline.

Also replaces: 4961879, AP7017824, EAP7017824

Tools you'll need

Screwdriver (Phillips or flathead)
Pliers
Towel
Multimeter (optional)

Difficulty: Moderate · Time: 30-60 minutes

How to install the W11545764, step by step

Disconnect power to the dishwasher.
Turn off the water supply valve.
Remove the lower dish rack and spray arm.
Access the float switch from inside the tub or beneath the dishwasher.
Disconnect electrical wires and any associated hoses.
Remove the old float switch from its housing.
Install the new float switch, reconnecting wires and hoses securely.
Reassemble components, restore water, and reconnect power.