Quote:
Originally Posted by Der Brewling
3.2 psi, 140gph
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3.2 psi = 7.4 ft head.
I think you'd be better off running the whole system in serial.
Two of those in serial would give 15 ft head 140gph. A much nicer thing to work with than 7.4 ft head and 280 gph (pumps in parallel).
Having said that, what do you plan on cooling?
If it's a single CPU block requiring high-flow, the parallel pumps may be better.
Otherwise, I'd run the whole lot serial and get decent flowrates due to the nice pressure you've established with the two pumps in serial.
Someone correct me if I am way off here...