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Air admittance valve help please

Postby montyp » Sat Jan 23, 2010 9:47 am

hi all...... we have an air admittance valve located in the downstairs bathroom soil pipe stack, all been OK.....I now want to fit a new upstairs bathroom, that will eventually connect to the same drain (underground outside), and wonder if this is OK as the new bathroom will be located above the level of the existing valve?


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Simply Build It

Postby stoneyboy » Sat Jan 23, 2010 5:27 pm

You will have to fit another AAV in the new bathroom.
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