Quote:
Originally posted by Double-Camp:
bobad, it takes hp to push gpm. Same issue. So, more gpm, then more hp. Either way, it means more money, just like I said.
Exactly right! In fact, GPM and HP are so closely related, that a formula to convert GPM to HP could easily be made.

I was just pointing out that GPM does the big work, not pressure. Excessively high pressure robs GPM, and is not that useful for most applications.