Today, I washed my hands at the kitchen sink while making lunch, and was unexpectedly chastised by my partner because she had just started the dishwasher. Apparently, she has recently come across something that has convinced her that running the hot water in your sink means the water that enters your dishwasher will be hotter (checks out), and thus the dishes will be cleaner. I tried searching startpage to see if this is real, but I couldn’t make it through even one llm-slop-ticle about it before my eyes rolled back into my head, so here I am asking y’all: chat, is this real? Doesn’t my dishwasher have a heating element? Is there any meaningful difference between heating the water with a hot water heater vs a dishwasher, other than I can’t use my sink while the dishwasher is filling and I have to pour a bunch of cool water down the drain?

  • 3abas@lemmy.world
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    11 hours ago

    They have 120 volt electricity, it can’t heat quickly enough, so the wash cycle will begin with less than optimal temperature and take a while to get to sanitizing temperature.

    So they feed it water from the hot water tank, which isn’t hot enough usually but the heating element can get it up to temp much faster at 120v.