Apparently pre-rinsing confuses the dishwasher or something. Not doing it leaves me with residue all over the other dishes though 🤷

  • Krzd@lemmy.world
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    18 days ago

    Running your faucet only makes sense if your dishwasher is also hooked up to warm water. (In Germany) I’ve only seen them connected to cold water.

    • Bytemeister@lemmy.world
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      18 days ago

      It’s an American thing. Our dishwashers get hot water from the line, there is a heating element, but it is not very powerful due to our lower output electrical sockets.

      I’ve heard other countries have washers that are powerful enough to heat their own water, which is why they are attached to the cold water supply.

      • BorgDrone@feddit.nl
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        18 days ago

        Do your dishwashers not have different temperature programs? Tap water is generally set at 65ºC here. My dishwasher has a 45ºC program, a 50ºC program, etc. Depending on how dirty your dishes are you can use lower-temp program to save energy. They even make dishwasher pods specifically for lower temperatures. If it always takes in hot water it would need a way to cool it down.

        • Bytemeister@lemmy.world
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          18 days ago

          Not for washing. Usually there will be settings like quick wash, normal, heavy and “pots and pans”. There is a high temp and low temp option, but that is for drying the dishes.

    • kryptonianCodeMonkey@lemmy.world
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      18 days ago

      Interesting. Why? Do the dishwashers there require only using cold?

      In the US, it is always meant to be connected to the hot tap. The first rinse cycle doesn’t heat the water (or doesn’t run long enough for the heater to make it hot, anyway). It depends on the hot water from the line to be maximally effective that first rinse. And once drained and refilled for the wash, the water will get up to temp eventually, but it’s more effective if it starts hotter.

      • wuffwuffwuff@sh.itjust.works
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        18 days ago

        Much the same reason as electric kettles not being as popular in low-voltage countries as in Europe - with higher domestic voltage, the appliance itself can heat the water it uses in a timely manner.

      • Krzd@lemmy.world
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        18 days ago

        A lot of houses are older than the concept of central heating or running warm water, so there are some homes that don’t have central warm water, but instead small heaters under the kitchen sink/next to the bathroom, which might or might not hook up to dishwashers

      • Sv443@sh.itjust.works
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        18 days ago

        We have 230VAC instead of your guys’ puny 120V, so our dishwashers aren’t handicapped out of the box and can heat their own water. I feel like having to run the tap before doing dishes is an L for the US, not Germany/Europe?