View Full Version : pipe size from return pump to tank
latazyo
08/31/2007, 12:56 PM
the return pump (mag9.5) has a 3/4" outlet
I thought I heard that I wanted larger diameter pipe from the pump to the tank
so if I did 1" would that be fine?
AZDesertRat
08/31/2007, 01:24 PM
Yes. I use 1" on an OceanRunner 3500 which is comparable in size.
barbra
08/31/2007, 01:27 PM
On Mag pumps the piping runs twice the size of the outlet. Don't die....you actually do need 1-1/2 piping on that.
The instructions actually say so if you look just below the chart on the second page of this instruction sheet for your pump:
http://www.dannermfg.com/infoS.asp#
Rouselb
08/31/2007, 02:09 PM
rule of thumb with flow pumps, use the largest pipe you can fit. Pressure pumps are different.
Thinslis
08/31/2007, 02:17 PM
Mag 9.5 3/4in output = 1.5in pipe. At Home Depot they actually have a threaded 3/4 to 1.5 adapter, its like they knew.... =)
latazyo
08/31/2007, 02:21 PM
thanks for the heads up on the HD fitting thinslis
Thinslis
08/31/2007, 02:24 PM
NP, I should know I just bought return plumbing for my Mag 9.5.. Umm.. Yesterday =) LOL
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