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Central heating problem

grahamo · 2007-03-15 09:56:28

Hi, Maybe someone would be good enough to give me some advice. My central heating boiler has started to make a bubbling noise when its switched on. The pressure is 1 bar which seems right. I've bled all the radiators and there all fine. Its obviously an airlock but how do I get rid of it?

15-03-2007 9:56am

#1

grahamo

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Hi,
Maybe someone would be good enough to give me some advice. My central heating boiler has started to make a bubbling noise when its switched on. The pressure is 1 bar which seems right. I've bled all the radiators and there all fine. Its obviously an airlock but how do I get rid of it?

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Comments

#2 15-03-2007 10:02am

davidoco

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You may have something called kettling which happens in the heatexchanger of older (more than 10 years) gas boilers. Not serious but inefficient.

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#3 15-03-2007 11:31am

grahamo

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its a relatively new system. ( 2 years old)

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