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my hot water tank is set to 140 degrees will it hurt my dishwasher?

7 Answers

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  • 2 months ago

    The dishwasher SHOULD be able to handle water up to boiling.

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  • elhigh
    Lv 7
    2 months ago

    Won't hurt it. It's probably more heat than you need though. Consider adding insulation to your hot water lines - and then maybe even more insulation - and turn your water heater down to 130.

    I don't recommend lower than 130, however. Much lower than that and you can run the risk of bacterial growth in the tank. The odds of that are low indeed, but there's no point in looking for trouble.

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  • 2 months ago

    the dishwasher? no problem. your hands? possible problem. anything over 125 at delivery point is likely too hot for hands and showers

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  • Edwena
    Lv 7
    2 months ago

    Set your water temperature to 120 -125. That is plenty hot and saves you money and makes everything last longer.

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    • Edwena
      Lv 7
      2 months agoReport

      What about the cold water tap? If you heat the water to say 160, then you are adding cold water to lower the temperature to about 110, if you are touching the water.  Over 125 is too hot to touch.  Detergents kill the bugs. 

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  • 2 months ago

    No that is the upper limit for most hot water heaters and many dishwashers have a heater that raises the temperature even higher to be sure and sanitize the dishes. 

    .

    Most dinner ware, glasses, etc can take the high temperatures ok. You do have to be careful with some plastic containers. They usually tell you if they are dishwasher safe.

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  • Sandy
    Lv 7
    2 months ago

    According to GE - longtime maker of appliances -- 

    "For optimal cleaning performance and to prevent damage to dishes, water entering the dishwasher must be at least 120 degrees F and not more than 150 degrees F. Always make sure the dishwasher is connected to the hot water line, not the cold. "

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  • 2 months ago

    It shouldn't hurt your dish washer, but it might crack plates and cups

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