Thanks, bigben2k, for that breakdown of pump heat creation. The rio finally arrived yesterday, so I threw it in a bucket of water to see how fast it would heat up. The water was at 10 above ambient after a couple of hours when I turned it off. Now, in a computer application I would be running it inline, and before a radiator, which will have to be my next test. but I havn't purchased the radiator or the tubes, yet, so it'll have to wait.
The pump claims to draw 73 watts. (I'm not quite sure what to do with that number as I'm an artist, engineering is only a hobby.)
Hopefully, run inline, this pump won't create nearly as much heat, or is most of the heat transfered through the impeller?
I looked into your little giant, and I couldn't find any lower than $81, any cheaper places I should know about? How big is that pump? the pictures make it look fairly large, but they can be decieving. I trust that you did the proper research and found the best pump for the job, so I might go with the little giant if I can sell the rio. (I have a friend who's building a pond)
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