FOG HORN WHEN I FLUSH THE LOO!!!


Postby Fedupwithfoghorn » Fri Jul 31, 2009 6:57 am

Hi we have had a problem developing for quite some time now - if we flush our upstairs loo we get a fog horn sound made worse when running the cold water. The pipes then seem to knock and I can feel them going to the sink and bath - we've tried to contact a plumber but they are as rare as hen's teeth in my neck of the woods!
Any help would be gratefully received......
I had thought maybe we should drain the cold water tank as I suspected an air lock so would this help or hinder.....calling all DIY gurus!!!

Cheers
Fedupwithfoghorn
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Joined: Fri Jul 31, 2009 6:50 am

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Postby stoneyboy » Sat Aug 01, 2009 10:55 am

Fedupwithfoghorn,
If you have a mains fed loo and the cold water is the mains tap have a look and see if you have a non- return valve in the mains in pipe.
If both are fed from the cold tank replace the ball valve on the cold water tank.
end
stoneyboy
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Joined: Wed Dec 10, 2008 6:44 pm


Postby htg engineer » Sat Aug 01, 2009 6:32 pm

Replace ball valve in toilet cistern.


htg
htg engineer
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Joined: Tue May 22, 2007 5:22 pm


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