Quote:
Originally Posted by Nevin
Hi,
I'm thinking of putting a Mag 3 pump for my return outside of the sump. The pump would be below the sump water level, but fed by a pipe that goes up and over the rim. Will it create the suction needed to pull water over and prime itself? Or is it necessary to drill the sump?
Thanks,
Nevin
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You'd have to prime it initially, but after that it should create the same siphon effect like a u-tube overflow to obviate the need to re-prime as long as the sump's water level stays above pump.
The bigger problem I see is that some Mags leak over time when run externally. Some people are fine, but you should test yours first.