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What heats the water in a dishwasher?

Asked by robmandu (21331points) May 11th, 2008

Talking a mid-level Whirlpool here. About 6 years old. It has a visible heating element at the bottom of the tub. When you select Hi-Temp Scrub or Anti-bacterial, what actually heats the water to a temperature higher than what comes in from the line? Is it that aforementioned heating element? Or is there some other widget at work?

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