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      08-18-2011, 05:05 PM   #10
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Originally Posted by queensfield View Post
Silicon electronics do not last long when driven past 70C ambient, which in most cases results in 125C at the semiconductor junction.
So you are saying an electric hot water pump's circuit board that constantly goes over 70C will have a short life unless the circuit board is thermally insulated or cooled to under 70C.

Wouldn't this produce a higher failure rate in hotter temperates?
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