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gertlex 2 days ago

I bet some manufacturers don't even use temperature sensors in many models, and just assume an approximate incoming water temperature, and heat for a fixed time period according to calculations on amount of water in the system. This guess comes from the impression that cheap temperature sensing circuitry isn't the most reliable long-term.

robocat a day ago | parent | next [-]

I bet you're wrong. Is there a website where we can make an adjudicated bet JUST against each other. How many dishwashers come without a hot-wash option? Any dishwasher that didn't heat water enough would struggle with hard fats.

My dishwasher has a scalding 75°C option.

flowerthoughts 2 days ago | parent | prev | next [-]

How did you conclude that they aren't the most reliable long-term?

Temperature sensing is extremely simple and cheap. Bi-metal contacts have been used since the dawn of electronics, and the solid state versions are also really simple. (Making components that are temperature invariant is the hard task.)

protolyticmind 2 days ago | parent | prev [-]

If true, that is a recipe for a lawsuit if it went wrong.