Q:

Why don't Bosch dishwashers use hot water?

A:

Quick Answer

Bosch dishwashers' flow-through water heaters increase water temperature inside the appliances, eliminating the need to pump hot water into them. The heaters can raise water temperature as high as 161 degrees Fahrenheit.

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Full Answer

In conventional dishwashers, water falls randomly onto a heater coil at the bottom of the appliances. These coils remain heated throughout the wash cycles, making them extremely hot. This often melts plastic items placed on the bottom racks. However, the Bosch dishwashers' flow-through water heater is confined, preventing its coils from damaging household items and ensuring water is heated more thoroughly. While traditional dishwashers only heat portions of the water that lands onto the coils, Bosch dishwashers heat 100 percent of the water that passes through its heating chamber between tightly spaced coils.

Using the company's EcoSense technology, a Bosch dishwasher measures how soiled a load of dishes is in order to adjust the amount of water and heat needed to clean it, thereby conserving energy without compromising performance. Next, water is funneled through the water heater coils where it is instantly heated to the predetermined precise temperature. According to reviews, the Bosch dishwasher is so conservative with water and electricity that it pays for itself over its lifespan.

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