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Old 02-25-2008, 02:15 AM   #11
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I just had a thought say the power goes out at my house. Doesn't the overflow siphon break. Then the power kicks back on and my return pump kicks back on won't the tank overflow because the overflow siphon was lost. Or will the overflow maintain its siphon while the power is out??
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Old 02-25-2008, 09:12 AM   #12
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You don't have to worry about the overflow. The u-tube will always be full of water and there will always be water in both sides of it. When the pump comes back on and the water level raises, the overflow starts flowing again.
The problem can be with the return line. If there is no siphon hole drilled and the return line is deep in the tank, it will drain until THAT siphon is broken...either by a hole drilled or the water dropping to the level of the return line inside the tank.
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Old 02-25-2008, 11:30 AM   #13
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So when the return pump is off. It backflows down the return line into the sump. Ok I think I get it know and finally understand. Thanks ccapt for answering all my questions. Heres one more. The only return line flow director I could find was on DR Fosters&Smith. Do you know of somewhere that makes a flow director that connects directly to 1/2" PVC to eliminate having to adapt the pvc to tubing that fits over the flow director. Maybe if someone could link me to some pics of how their return line is connected to their flow director??
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