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Do Whirlpool Dishwashers Heat Their Own Water?

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Last updated on August 14th, 2022 at 01:28 pm

We all know chores are no fun. And dishwashing is no exception. Using a good dishwasher that does the cleaning properly is necessary and makes the chore easier to do.

Since hot water is necessary for dishes to be clean, do Whirlpool dishwashers make theirs?

Whirlpool dishwashers have a special feature that makes them different from others. They have a heating component located at the bottom of the dishwasher. Its function is to continually heat the water to not more than 150 degrees Fahrenheit during the washing operation and rinsing.

Do Whirlpool Dishwashers Need Hot Water?

Do Whirlpool Dishwashers Heat Their Own Water

Yes, whirlpool dishwashers need hot water. Hot water enables detergents to activate and dissolve properly when added to the dishwasher.

The dishes will not be washed properly when you use cold water or a temperature lower than 120 degrees Fahrenheit.

Furthermore, temperatures higher than 150 degrees Fahrenheit would make some stains harder to remove because not all detergents function properly in hot water due to their ingredients.

Before powering your dishwasher, make sure it is connected to the hot water line. Furthermore, apart from heating its water, the efficiency of your whirlpool dishwasher depends on the steps taken in the course of its operation.

For efficient use of a whirlpool dishwasher, you would need to follow these steps:

1. Loading

To make sure your plates are super clean after every wash, scrape off any leftovers from your plates.

Afterward, load them carefully into the dishwasher, and evenly space them with the dirty side facing the water jets.

The top rack should be loaded with bowls, cups, water bottles, mugs, and wine glasses. The bottom rack should contain large kitchen wares and utensils like stainless steel pots, dinner plates and serving plates, knives, forks, and spoons.

To avoid injury, sharp objects like knives should face downwards. Whirlpool dishwashers have models with the third rack feature, where you can load different wares and other hard-to-fit items.

2. Adding detergent

Depending on the dishwasher model, if the detergent dispenser is located in the bottom part of the dishwasher door, load the detergent in it. And add rinse aid to its dispenser.

Press firmly as you close the lid. Afterward, the dishwasher completes the first pre-wash cycle, where the lid opens to mix detergent with water.

3. Select a wash cycle

There are at least three cycles that come with dishwashers; Quick, normal, and heavy-duty. The size of your dish load should be put into consideration when choosing a cycle. Use the buttons as placed on the dishwasher.

4. Start operation

After pressing your preferred cycle, shut the dishwasher door and press the start button. A dishwasher with a normal load takes about 2 hours to finish washing.

However, there’s usually a light on the dishwasher that alerts you when it is done washing. Whirlpool dishwashers also come with extra features like sanitizing and pre-wash, depending on the model.

What Is the Best Temperature for Dishwasher Hot Water?

You should perfectly regulate the temperature level of hot water in a dishwasher for optimal cleaning performance. The best temperature for dishwasher hot water is between 120 degrees Fahrenheit and 150 degrees Fahrenheit.

Although, dishwashers are watertight compartments, and they don’t fill up with water. Only a small basin at the lower part fills up.

As part of its cycle, the dishwasher pauses up to 3 times to heat water to the required temperature. The cycle advances as soon as the temperature is met.

Using hot water in a dishwasher aids in the elimination of the need for long heating pauses. This decreases the amount of time it takes to complete the cycle.

Also, due to the high water temperatures, several disadvantages may arise, such as the natural magnesium and calcium contents of the water are likely to form lime-scale inside the dishwasher.

Over time, this may develop into a problem, as it can deter the dishwasher’s efficiency. Hence, it is important to use a dishwashing liquid at least twice a month. A clean dishwasher means a cleaner wash.

Another downside is that cloudiness may begin to appear while the glass molecules are agitated by hot water; the chemicals in the detergent can cause some of them to be dislodged.

The dishwasher glass may look perfect through light, but they have a cloudy appearance underneath.

Related: How To Find Age Of Whirlpool Appliances?


Whirlpool dishwashers heat their water, and depending on the model; there are certain added features.

You can only do dishwashing properly when the necessary steps are followed while operating the dishwashing machine, which includes; connecting the dishwasher to the hot water line and setting the water temperature level to not less than 120 degrees Fahrenheit and the maximum level being 150 degrees Fahrenheit.

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