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looking at the pictures explains alot, but I still don't understand why you ran the return line thru the back instead of thru the overflow. Is it strictly as a safety catch for clogging? The rest is just placing a valve on the intake to the sump by dialing it to match the output of the return pump after the water has risen to the lvl you optimally want.. correct?
Couldn't the people who are currently using a durso etc just place a gate/ball valve on the current line and have the top submerged by adjusting the flow rate? and/or while suberming (if not alrdy) the pipe to the sump in the water?
How often has your saftey catch been set off?
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