Air Valve

Postby lancer » Sun Sep 07, 2008 8:25 pm

I have a double sink with the waste from each sharing the same pipe through the wall to the drainShould I fit an air valve to stop the syphone from the traps and if so should it be the furthest from the drain?
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Simply Build It

Postby plumbbob » Sun Sep 07, 2008 10:30 pm

There is no specific need to fit an anti syphon trap unless you are experiencing problems with the water seal being broken. If you do decide to fit a air admittance valve, it should be sited at the highest point which will be the furthest point from the drain.
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Postby furgazoid » Tue Sep 09, 2008 8:31 am

I agree, but for the extra cost of less then £1 per trap, you cant go wrong with putting in anti-siphon traps
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Postby lancer » Tue May 12, 2009 5:04 pm

Thank you for your replies. Sorry for the delay I have been to busy to check the site
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