Quote:
Originally posted by SureFoot:
Good mag-drives like Eheim's have kinda small 'fins' on their side where the engine is located. Believe me a lot of heat goes through there.
Since there's no contact between the propeller/wet part and the engine part, very little or no heat goes into your water.
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i dont' know about that. i know a couple posters on other forums, who ran their setup without the fan on, outside the case to check for leaks, they said their water heated up really fast.
deez