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Old 01-30-2019, 10:59 PM   #1
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Solenoid for Return Line?

Brainstorming and planning a sump for my 150g freshwater planted tank rebuild (yet to be started, but the tank's torn down at the moment). I'm worried about flooding the house, mainly because I want to have the return line send water down to the bottom of the tank to help with flow distribution and turnover, but obviously that puts me at risk for a huge issue if the power cuts out and the pump stops. I know there are the customary options of drilling a siphon break hole or a simple one-way vale.

I was looking for something more reliable, like a solenoid valve. Clearly it would need to be open when the power's on and closed when it's off. I believe that's a "normally closed" solenoid valve, if my research is correct. And the continuous duty part is also a difficult thing to find (sort of).

Is there any reason a valve like this is a -bad- idea?

Does anyone know where I can get one for under $300? The one place I was able to get a quote from wanted just over $1000.00 (yes, a thousand) for the valve. WAY too much for this project.

Is there a better alternative?
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Old 02-28-2019, 10:22 PM   #2
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Bought 2 of these. Will update again when I put them in the build in a few months.

https://ussolid.com/motorized-ball-v...u-s-solid.html
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