Quote:
Originally posted by Toddrtrex
Mags are suppose to be run with wider pipes, so you should stick with your plan.
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Generally, most pumps have an outlet connection smaller than its inlet connection; this is so the pump can use velocity pressure relationships to its advantage. When plumbing your return, it is advised that you step up the piping to the same size as the inlet piping, or one size larger. Also when sizing your plumbing, you need to consider the friction loss in a (pvc pipe table and pvc fittings table). You want to ensure that you don't buy fittings, valves and piping larger than what you need. So I corrected myself from my earlier post!!!