waste pipe combination


Postby roger44 » Wed Jul 01, 2009 1:37 pm

I have a basin waste pipe joining the bath waste pipe which then goes into the stack feed pipe. Also off the stack feed pipe is the shower waste pipe.

When the bath empties, am I going to get syphonage problems and or backfeed into the shower base?

any ideas
roger44
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Joined: Wed Jun 17, 2009 7:39 pm

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Postby htg engineer » Wed Jul 01, 2009 6:22 pm

If two seperate pipes go into the soil stack - one for the bath and the sink and the other for the shower - the bath water will not back up into the shower - unless you get a complete blockage in the soil pipe.

Fit anti vac traps - to be prevent syphonage.


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htg engineer
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Postby roger44 » Thu Jul 02, 2009 8:18 am

many thanks
there is only one pipe at the moment, but I am now going to add one just for the shower and fit a/s trap to the basin
roger44
Posts: 5
Joined: Wed Jun 17, 2009 7:39 pm


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