Many thanks Boilerman2
As I said to Tibbet, engineers have tested for flue or recirc problems (is this vitiation ?) but until recently the problem has been intermittent and never occurs when they are present. I should add that the last guy, in desperation I think, permanently disconnected the...
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Many thanks Tibbot.
It is a balanced flue and I know that at least two engineers have tested for what I believe is called vitiation. The difficulty is that until recently the lockout problem has always been intermittent and never occurred when the boiler man was present.
Hi,
Can anyone help please. I have a ten year old series 2000 Merlin Boiler, model 80/100. The lockout light comes on shortly after start up but the boiler can usually be restarted and then continues to run ok. The problem has been ongoing for about 3 years and two engineers have been unable...