Quote:
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Originally Posted by redleader
Thats bizzare. I metered my 1250 at 9w years ago on a Maze2 block. Does flow restriction really make that big a difference?
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Not the same pump, but:
MCP-655
Peak Pressure Head and Power Draw (Watts at dead-head) - measured by Cathar
#5, 4.10mH2O, 21.0W
#4, 3.05mH2O, 14.5W
#3, 2.25mH2O, 11.0W
#2, 1.40mH2O, 7.0W
#1, 0.60mH2O, 4.0W
As I would assume, higher pressure = higher power usage = higher heat dump. The data is rather dramatic.