Noisy pipes when the central heating comes on


Postby EmmaS » Wed Feb 04, 2009 10:25 am

Every time the central heating comes on the pipes start making funny noise. We have a combi boiler and hav bled the radiators more often than i care to remember. Please help me as it is keping us awake at night its that bad.
EmmaS
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Postby htg engineer » Wed Feb 04, 2009 3:00 pm

what kind of 'funny noise' clicking - normal expansion.


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Postby EmmaS » Wed Feb 04, 2009 7:21 pm

It is a loud clunking noise when the heating starts up. It sounds like the pipes are bashing against the wooden joists. Could this bee what the problem is. The ne system was put in about 4 years ago.
EmmaS
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Joined: Wed Feb 04, 2009 10:14 am


Postby htg engineer » Wed Feb 04, 2009 9:24 pm

That's probably all it is, the pipes rubbing against joists, floorboards and other pipes, you could lift the boards and insulate/lag the pipes and enlarge joist notches if the pipes are a snug fit. Also clip the insulated pipework to the joists so that they don't touch and rub on floorboards etc.

Nothing to worry about - although the noise may be annoying.

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