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Old 04-15-2009, 08:30 PM   #1
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Join Date: Dec 2008
Location: wayne, PA
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bigger or smaller hole?

Have a stand pipe that i cant get quiet. I have a 1/4" aprox. hole in the cap and still seems to be sucking air. I have drilled more holes in other test caps with little improvement. If i cover a little bit of the 1/4 " hole it sucks the water down below the tee and looses prime then surges. I have changed the drain line to flex pipe and it hase smoothed the flow out a lot. I just cant get a grip on the stand pipe "tuneing". I am including a pic of the stand pipe and sump. Please help!
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