Why do some bean animal overflow diagrams show the main drain pipe as a straight pipe with strainer and some show it with the inverted U bend? All diagrams I see show the secondary with the durso style but wondering what the pros and cons are to plumbing the main drain that way.
Bean animal
- Thread starter NathanH
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neilldrever
New Member
The advantage of having the Herbie drain (straight pipe) in the Durso style (inverted U) is to prevent any bubbles created by water coming over the weir from going down to the sump making unwanted noise. This can be prevented by lowering the Herbie drain height though so it is mainly an aesthetic choice rather than a functional one in my opinion.
