ok, thanks.
I think I'll have to be a little more specific.
The MCP650 has a flow of upto 317gph, the MCP600 has 185gph and the c systems in series (or not) is somewhere around 120gph (sorrect me if I'm wrong here at any point)
Now, since no one's loop has a flowrate close to 100..and is probably a lot more like 0.5 - 2.5gph, then the head produced by each of the pumps at 0-3ghp is all that matters as far as performance is concerned? Like, is that a correct assumption?
If I had that all layed out for me, then reading these grpahs and determining a clear winner would be a lot simpler for a noob like me.
and IF I am correct is the only benefit of a pump producing a zillion gph, the potential for a greater maximum head? and if a pump were only able to produce less than 10gph but somehow give a max head equivilent to the the former "zillion gph" pump then the performance would be about the same in a WC loop?
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