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Originally Posted by nikhsub1
Uhh, the D5 does about 13 foot head with only 16w. Both those pumps are no good in terms of specs for our use.
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i guesss i am confused since people will recommend the iwaki 20z in a heartbeat which granted has more head pressure at 0ft but uses 45w and a good chunk of that heat will get into the water...
the ns series is sealed / fan cooled so a lot less of the 40w it uses will make it into the water hopefully..
and the d5 pump whine is annoying at best - i know cuz i have 2x
http://www.bluelineaquatics.com/images/blpumpcurve.gif