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Old 02-16-2001, 10:04 PM   #1
Blake
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Sump back siphon


What is stopping the water from siphoning back into the sump via the return line if a power loss occurs?
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Old 02-16-2001, 10:14 PM   #2
tdwyatt
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...The little hole you are going to drill in the return line where it is just entering the water of the tank: small enough to not make too much difference in the spray, maybe with a little splash guard, and just under the surface of the water so that as the siphon starts to return water to the sump, the water level will drop below this hole, and it will break the siphon...

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