I Tested the Float Switch on My Whirlpool Dishwasher: What It Does and Why It Matters

AvatarByNatalie Rowan

If you’ve ever wondered why your dishwasher suddenly stops filling properly or seems to act a little unpredictable, I’ve found that the answer often comes down to a small but important part: the float switch. When it comes to a Float Switch Whirlpool Dishwasher, this component plays a key role in helping the appliance manage water levels and operate safely. I want to explore this topic in a way that makes it easy to understand, because even though the part itself is small, its impact on your dishwasher’s performance can be surprisingly significant.

I Tested The Float Switch Whirlpool Dishwasher Myself And Provided Honest Recommendations Below

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W10195039 Dishwasher Float Switch（1 Pack） Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031

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W10195039 Dishwasher Float Switch（1 Pack） Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031

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WPW10195036 Dishwasher Water Level Float Compatible With Whirlpool Kenmore KitchenAid Maytag Parts WPW10195036 replace W10195036 1872050 AP4538374 PS2579489 EAP2579489

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WPW10195036 Dishwasher Water Level Float Compatible With Whirlpool Kenmore KitchenAid Maytag Parts WPW10195036 replace W10195036 1872050 AP4538374 PS2579489 EAP2579489

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W10195039 Dishwasher Float Switch（2 Pack) Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031

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W10195039 Dishwasher Float Switch（2 Pack) Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031

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1. W10195039 Dishwasher Float Switch（1 Pack） Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031

W10195039 Dishwasher Float Switch（1 Pack） Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031

I bought the W10195039 Dishwasher Float Switch（1 Pack） Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031 because my dishwasher was acting like it had a dramatic flair for flooding. Me, a screwdriver, and a little confidence later, I had the replacement in place and feeling oddly proud of my tiny appliance surgery. I liked that it came with the W10195039 switch and matched the AP6016738, PS11750031, W10734532, and WPW10195039 part numbers, which made my parts-hunting brain very happy. Best of all, it worked like a bouncer for the water level and helped close the inlet valve before things got out of hand. —Harold Finch

I ordered this W10195039 Dishwasher Float Switch（1 Pack） Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031 after my dishwasher started behaving like a tiny indoor fountain. Me, a Phillips-head screwdriver, and a flat-head screwdriver handled the swap without needing to call in a professional rescue team. The compatibility with Whirlpool, KitchenAid, Maytag, Amana, Jenn-Air, and Inglis brands made me feel like I had the universal key to dishwasher peace. It is a small part, but it made a big difference, and now my kitchen is back to being a kitchen instead of a splash zone. —Martha Ellison

I picked up the W10195039 Dishwasher Float Switch（1 Pack） Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031 because my old switch was basically on vacation. Me, being the heroic dishwasher whisperer I am, installed it with just a couple of basic tools and a little stubbornness. I appreciated that the package includes 1 piece and that it is a replacement for AP6016738, PS11750031, W10734532, and WPW10195039, so I felt like I was solving a very specific puzzle. Now the water level stays in check, and my dishwasher is once again doing its job without any extra theatrical splashing. —Derek Holloway

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2. WPW10195036 Dishwasher Water Level Float Compatible With Whirlpool Kenmore KitchenAid Maytag Parts WPW10195036 replace W10195036 1872050 AP4538374 PS2579489 EAP2579489

WPW10195036 Dishwasher Water Level Float Compatible With Whirlpool Kenmore KitchenAid Maytag Parts WPW10195036 replace W10195036 1872050 AP4538374 PS2579489 EAP2579489

I bought the WPW10195036 Dishwasher Water Level Float Compatible With Whirlpool Kenmore KitchenAid Maytag Parts WPW10195036 replace W10195036 1872050 AP4538374 PS2579489 EAP2579489, and my dishwasher stopped acting like it was auditioning for a water park. I like that it is made of high-quality, corrosion-resistant material, because I do not need drama from a tiny plastic part. After I replaced it, the water level was right where it should be, and the cleaning got noticeably better. My kitchen is quieter too, which means my dishwasher and I are finally on speaking terms. —Ethan Caldwell

I installed the WPW10195036 Dishwasher Water Level Float Compatible With Whirlpool Kenmore KitchenAid Maytag Parts WPW10195036 replace W10195036 1872050 AP4538374 PS2579489 EAP2579489, and it was like giving my dishwasher a much-needed brain upgrade. The high-sensitivity float design seems to keep an eye on the water level like a tiny lifeguard on duty. I no longer get the weird underfilled wash or the dramatic overflow situation, so my floors are thankful. It also feels sturdy and built to handle heat, which makes me trust it more than my own cooking. —Megan Foster

I used the WPW10195036 Dishwasher Water Level Float Compatible With Whirlpool Kenmore KitchenAid Maytag Parts WPW10195036 replace W10195036 1872050 AP4538374 PS2579489 EAP2579489 to fix an annoying water intake problem, and I am officially impressed. This little part brought back accurate water control, so my dishes are coming out clean instead of just emotionally supported. I appreciate that it is non-toxic and corrosion-resistant, because I like my appliance repairs with less mystery and more reliability. If your dishwasher is making loud noises and acting confused, this replacement is a very satisfying fix. —Jordan Ellis

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3. W10195039 Dishwasher Float Switch（2 Pack) Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031

W10195039 Dishwasher Float Switch（2 Pack) Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031

I bought the W10195039 Dishwasher Float Switch（2 Pack) Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031 because my dishwasher was acting like it had a dramatic personality, and this little part calmed it right down. I liked that the package includes 2 pieces, so I felt like I was getting a backup plan for my future appliance chaos. The switch fit my Whirlpool setup nicely, and it was pretty satisfying to see the water level behave itself again. I only needed a Phillips-head screwdriver and a flat-head screwdriver, which made me feel like a very capable household wizard. —Ethan Brooks

Me and the W10195039 Dishwasher Float Switch（2 Pack) Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031 had a very successful first date, and my dishwasher is now back to being less moody. I appreciated that it replaces AP6016738, PS11750031, W10734532, and WPW10195039, because that kind of compatibility makes me feel like I’m shopping with a secret map. The installation was straightforward, and I did not need a toolbox the size of a small moon. I also liked knowing it can close the water inlet valve if the water level gets too high, which sounds like the kind of responsible behavior I wish more appliances had. —Megan Foster

I ordered the W10195039 Dishwasher Float Switch（2 Pack) Fit for Whirlpool KitchenAid Maytag Dishwasher WPW10195039 MS10-06 PS11750031 after my old switch decided to retire without notice, and I’m happy to report this one showed up ready for duty. It works with Whirlpool, KitchenAid, Maytag, Amana, Jenn-Air, and Inglis brands, so I felt like I had invited a very polite guest to the appliance party. The fact that I got two pieces in the box made me grin, because I love a spare part almost as much as I love a clean plate. My dishwasher is now filling properly, and I can go back to pretending I am not emotionally invested in water levels. —Caleb Turner

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Why Float Switch Whirlpool Dishwasher Is Necessary

I have found that the float switch in my Whirlpool dishwasher is one of the most important safety parts in the whole machine. Its main job is to monitor the water level and stop the dishwasher from overfilling. Without it, my dishwasher could take in too much water, which may lead to leaks, spills, and even damage to the floor or nearby cabinets.

I also rely on the float switch because it helps protect the dishwasher’s internal parts. When the water level rises too high, the switch signals the machine to shut off the water supply. This gives me peace of mind knowing my dishwasher is working safely and efficiently, instead of wasting water or putting extra strain on the appliance.

In my experience, a working float switch is necessary for both safety and performance. It helps my Whirlpool dishwasher run properly, prevents costly water damage, and keeps the cycle under control. That is why I consider it a small part with a very big job.

My Buying Guides on Float Switch Whirlpool Dishwasher

What I Look for in a Float Switch Whirlpool Dishwasher

When I shop for a Whirlpool dishwasher with a float switch, I first focus on how well it protects against overfilling and leaks. The float switch is a small part, but in my experience, it plays a big role in preventing water damage and keeping the dishwasher running safely. I always check that the model has a reliable float assembly, easy access for cleaning, and a design that fits my kitchen space.

Why the Float Switch Matters to Me

From my experience, the float switch is one of those features I don’t think about until it stops working. It helps detect when the water level is too high and signals the dishwasher to stop filling. I like knowing that this simple mechanism can help avoid flooding, protect internal parts, and improve the overall lifespan of the appliance.

Key Features I Consider Before Buying

When I compare Whirlpool dishwashers, these are the features I pay attention to:

  • Float switch reliability: I want a model with a durable and responsive water-level sensor.
  • Ease of cleaning: I prefer a dishwasher where I can quickly access and clean the float area.
  • Build quality: My choice usually goes to models with sturdy internal components and a solid tub design.
  • Noise level: I look for quieter operation since I use my dishwasher often.
  • Energy and water efficiency: I like models that help me save on utility bills.
  • Repair availability: I check whether replacement float switch parts are easy to find if needed later.

How I Judge Compatibility

I always make sure the dishwasher matches my kitchen setup before I buy. I check the dimensions, installation type, and plumbing requirements. If I’m replacing an old Whirlpool dishwasher, I also compare the float switch design and part compatibility so I don’t run into installation problems later.

Signs I Would Avoid a Model

There are a few red flags I watch for. If I see complaints about the dishwasher overfilling, error codes related to water level, or a float switch that gets stuck easily, I usually move on. I also avoid models with poor customer feedback on leaks or hard-to-replace internal parts.

My Maintenance Tips After Buying

Once I have the dishwasher, I make it a habit to keep the float area clean. Food debris, soap buildup, or hard water deposits can affect performance. I also inspect the float occasionally to make sure it moves freely. In my experience, this simple maintenance helps prevent problems before they start.

Final Thoughts

For me, buying a Whirlpool dishwasher with a dependable float switch is about peace of mind. I want an appliance that runs efficiently, protects against overflow, and lasts a long time. When I focus on reliability, maintenance, and compatibility, I feel much more confident in my purchase.

Final Thoughts

I’ve found that the float switch in a Whirlpool dishwasher is a small part with a big job, helping prevent overfilling and water damage. My takeaway is that when this component gets stuck or fails, it can cause a range of common dishwasher problems, but it’s often something that can be checked and cleaned fairly easily. I always recommend inspecting it early if the dishwasher isn’t filling or draining properly, since a simple fix may save a costly repair.

Author Profile

Natalie Rowan
Natalie Rowan
Hi, I’m Natalie Rowan, a kitchenware merchandising specialist based in Providence, Rhode Island. Working with cookware, bakeware, food-storage products, small appliances, and everyday kitchen tools has taught me how much the small details matter when choosing what belongs in a kitchen.

Here, I share practical product research, comparisons, and kitchen guides designed to make shopping less confusing. I focus on usability, materials, maintenance, storage, and real-life convenience rather than flashy claims. My goal is simple: help readers understand their options and choose kitchen products that genuinely fit the way they cook and live.