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DIY thermal differential controller (solar hot water pump controller)
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11-27-09, 11:23 PM
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AC_Hacker
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How about a thermal disk switch?
How about a
thermal disk switch
?
They're fairly inexpensive, and highly reliable, and they can handle considerable current without additional electronics thingies.
Here's one
that should be right in your range.
-AC_Hacker
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