Doug Miller wrote:
In article , dpb wrote:

But the intake and discharge _from the pump_ will be at the lower level

and hence under a correspondingly higher pressure

so there is additional head -- the length of pipe from the former
elevation to the new.

which the higher pressure at the pump exactly makes up for.

At least that's the way it looks to me.

Yeah, actually, come to think of it, I guess that's a wash...

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