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Old 02/03/2008, 04:30 PM   #13
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Join Date: Mar 2002
Posts: 370

Why does the siphon inlet preferentially take in more water than the open inlet, in light of them haveng the same dimensions and inlets at the same height?

I would guess there would be preferential flow through the unrestricted - open - drain, or at least equal flow.

Perhaps once air is completely purged from the siphon plumbing, I could see it pullingl more water, but strting from a dry start would seem to be hit or miss.

I would expect you to need the inlet to the open drain at an intermediate height compared to the siphon and emergency inlets.

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