Mr James
Premium Member
I was looking at the GenX submersibiles and the GenX/Mak4. I would like to use the GenX/Mak4 as a return pump from my sump. But I want to put a tee and then a ball valve inline to control the flow to the refugium. I also want to put a ball valve inline before the SCWD, to control the flow into the tank. Can the GenX/Mak4 handle this sort of back-pressure?? What about the GenX submersible GX4100??