Learning the HARD way...
Join Date: Jan 2007
Location: Boston / Ft Myers Area
Thanked 123 Times in 120 Posts
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Re: Vented Loop Design?
...and that's why I removed the duckbill and modified it to match the original design. I can see where the vent tube eventually goes vertical, and it has worked this way since 1987. There is no way that the duckbill could be mounted vertically unless I change a bunch of 3/4" exhaust hose.
I guess that I made the right decision.