Quote:
Originally Posted by Dez
I don't think you get the point though, it isn't a closed loop anymore once you have the inlet in your overflow box. Since you have a durso to your sump, I'm guessing that your standpipe is pretty high, so it will drain to the level of your standpipe. The durso makes it not closed anymore. If you had no standpipe, your sump might not handle the flow. Anyway, we're off topic because we've established that I can't have my inlet in the overflow box due to Herbie style drain.
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Closed loop is just that, CLOSED. from tank, back to tank. And yes, with my Durso, the standpipes are high. no reason why Herbie standpipes couldnt be high too. In fact. Most people I know put the Standpipes No Lower than they want the water to ever drain. An extra safeguard. They do NOT need to be at the bottom of the overflow.