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Unread 03-09-2004, 07:39 PM   #69
ralf_c
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Join Date: Aug 2003
Location: LA
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Quote:
Originally Posted by Cathar
The 10W value is the shaft power that is delivered to the impeller. The other 21W is gone due to motor inefficiency (as heat into the pump's metal casing as well as into the water).
must be why my temps go up 2 or 3 degrees when my case is closed (my pump is the iwaki MD 10NL)
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