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- Jan 16, 2006
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I've got a problem with my central heating. Only some of the radiators are getting any heat at all and not necessarily properly hot. The boiler overheat stat is kicking in after not very long and there is a knocking sort of noise from the pipework when the boiler fires up (which I am assuming must be air). One pipe at the boiler is red hot and the other is only warm. The pump seems to be running ok.
Am I right in thinking it sounds like an airlock in the system and if so what would have caused it and how can I get rid of it?
Am I right in thinking it sounds like an airlock in the system and if so what would have caused it and how can I get rid of it?