skynoch
Moderator
Why? he has a 1 inch Bulkhead. I would venture to guess...it would be right there!!
Not worried about the overflow on the sump but more so about water leaking back through the return pipes if they are lower and too much water draining out of the tank into the sump overflow and when power turns back on you run out of water filling your tank and wrecking the seals on the pump.