12-27-2006, 10:32 PM
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F4A, Yes I was referrign to the "waterfall" type HOT overflow boxes. Porks mentioned using a single tube all the way to the bottom of the tank. I don't know anybody that has ever ran one that way. USMC brings up another point, what if your overflow's utubes lose their siphon while the power is out? See the Utubes will still hold water while the power is off and then when the water line rises after power is restored, it will automatically renew itself. But if your Utubes break siphon your pump will overflow the non draining tank. I've only heard of that happening very rarely. The idea of a UPS to drive the pump so the tubes never lose siphon is a good idea. I'd think $60 for a different overflow box would be more reliable and cheaper though.