DIY over flow box.

  • We are currently upgrading MFK. thanks! -neo
Another trick is to use a power head with a venturi input to remove air from the overflow.
 
The one i had set up was made by Truview. A powerhead pumped water into the overflow and a siphon tube was the return back into the tank......should have seen that one coming haha.
 
jcardona1;4790008; said:
Yes that would work, but then you have another problem. By having the return near the top of the sump, this means you water must level in the sump must also be at the top right (unless I'm misunderstanding what you're saying)? If that's the case, then you won't have enough room in the sump to catch the excess water that will drain down when the pump is turned off. Because regardless of how you set up an overflow/sump, you will ALWAYS drain a few gallons of water down to the sump after the pump is turned off. You'd be cutting it very close by having a return at the top.
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Nice catch, I didn't even think of that. Something else I have to plan while working out the kinks in my over the back design...

Mike
 
Kinda of new to sumps and overflows but what about using a float switch upside down in the return part of the sump so that way if the siphon breaks the float switch will disengage your returns at your set level
 
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