> When I had to fix my dishwasher a few years ago.....the soap dispenser
> wouldnt open all the time, I looked up the part and replaced it. But of
> course.....it wasnt called a solenoid (the name escapes me now) and once I
> replaced it and was assured the part was defective I opened it up.  It was
> based on heating up a waxy substance that once liquid would release the
> lever....then when it cooled down, it would allow the plunger to return.
> Kinda interesting.....

        Interesting, perhaps similar in principle to a common auto thermostat. It
has a piece of wax that expands when heated, allowing coolant to flow
through once a certain temperature is reached. TTYL

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