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Posted by Janet on February 02, 2005 at 07:42:54:
I have a combi boiler that has been seriously losing pressure (so I have been adding water about once a day to compensate). It is losing water from the pressure relief pipe which I think suggests that the relief valve or expansion vessel is at fault. However, the burners are not modulating properly for heating or DHW either, but just switching on and off every couple of minutes or less. Could it be an electrical fault rather than an expansion problem, or are these problems not linked?
Any ideas would be gratefully received! Thanks
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