Combi boiler system making noises


Postby bdonnan » Tue Dec 29, 2009 9:51 pm

Since my system was installed 5 years ago it constantly makes a "clicking" noise in the pipes which can be heard throughout the house !! Any suggestions please and if corrected I will buy you a night on the beer!!!!
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Postby Steve the gas » Wed Dec 30, 2009 11:40 am

Hi,

Its prolly expansion/contraction of the pipes as they warm/cool.
Solution is to expose as much of the pipework as poss. Ensure it is adequatly clipped and not rubbing on anything.
You can lag the pipes too - old carpet pieces or proper lagging - it will deaden the sound.
Only other way is to change pipe for plastic.

Hth
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Postby rosebery » Wed Dec 30, 2009 6:01 pm

If its the pipes tickinmg or clicking that suggests that the joists were not notched enough and the pipes are binding o them. When the system starts up the pipes expand. Because they are tight on the joists they stick a lttle bit and you get the ticking/clicking noise as they get hotter. The reverse occurs as they cool down. Solution - increase size of notches concerned or wrap the pipes.

Cheers
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