How hot does dishwasher water get?

In this brief guide, we are going to answer the question “how hot does dishwasher water get” with an in-depth analysis of the temperatures in the dishwasher. Moreover, we are going to highlight what are the problems with too much heat in the dishwasher, what are regular and commercial dishwashers, and how a dishwasher works.

How hot does dishwasher water get?

The dishwasher water usually gets hot to a temperature between 120 to 150 degrees Fahrenheit. This optimal temperature range is mainly required to clean the dishes properly as well as to prevent any damage to the dishes. Therefore, it should be ensured that the dishwasher is connected to the hot water line, having a temperature in the suggested temperature range.

Dishwasher temperature:

The temperature of a dishwasher is an important thing that needs to be considered as it determines the overall performance of the dishwasher. The hot temperature in the dishwasher is responsible for the gleaming surface of the glasses and dishes placed in it.

Most of the experts suggested the temperature of a dishwasher in an appropriate temperature range. The main purpose behind this temperature recommendation is that the hot water allows the detergents to be completely dissolved in water and this water also removes any leftover food and grease from the dishes.

To maintain the appropriate temperature condition, you should keep a check and balance on the water temperature that should be between 120 to 150 degrees Fahrenheit. For this purpose, a candy or meat thermometer can be used. You can simply put the thermometer in a glass and let the water run into the glass. In this way, you can monitor the temperature of the dishwasher and adjust it accordingly.

Problems in dishwasher with too much high temperature:

Too high a temperature can also be problematic in that it can damage the dishwasher as well as the detergent placed inside the dishwasher. The detergents contain certain enzymes that are responsible for their cleaning properties. These enzymes on exposure to very high temperatures become denatured and can lose their functionality.

Water also contains calcium and magnesium as its natural components, that when too high heat form limescale on the inside of a dishwasher. Therefore, the appropriate management of the temperature in a dishwasher is a mandatory step while handling it.

Another main problem associated with excessive temperature is the agitation of glass molecules. The chemicals present in the detergents can cause these glass molecules to be dislodged. This mechanism of cloud formation in glass material makes the overall appearance of the glass unacceptable.

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In this brief guide, we answered the question “how hot does dishwasher water get” with an in-depth analysis of the optimum temperatures at which the dishwasher works best. Moreover, we discussed what are some major problems, arisen as a result of too much heat, what are regular and commercial dishwashers, and how does a dishwasher work?


Mahnoor Asghar is a Clinical Nutritionist with a bachelor's degree in Nutrition and Dietetics. She is compassionate and dedicated to playing her part in the well-being of the masses. She wants to play a fruitful role in creating nutrition and health-related awareness among the general public. Additionally, she has a keen eye for detail and loves to create content related to food, nutrition, health, and wellness.