| Re: Mag 12 in basement sump for closed loop I know about head loss in a normal return pump but they don't exit the tank and enter in nearly the same spot. In your sump the return pump is pushing up the total height but a closed loop has the energy of the dropping water. If the closed loop were at tank level I know there is very little head loss, same as a few inches below the tank. I was wondering what it would be like with a 6-7 foot drop. |