I have just noticed a black sooty mark above our boiler. The expansion vessel and electrical circuit boards are on this side of the boiler, with the burner on the opposite side. Is this likely to be carbon monoxide, or do the walls tend to look a bit dirty around a boiler if they have been painted for a few years?
Could this be carbon monoxide?
- Thread starter Madmog
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hmm, unlikely on that boiler.
they are prone to staining walls due to dust being swept up from the bits on the right side.
there is however a possibility of the inner flue duct being rotten and these boilers usually make pretty high CO readings anyway as they are ****e.
best advice would be to switch off the boiler and get it looked at. its the only way you are going to be sure.
they are prone to staining walls due to dust being swept up from the bits on the right side.
there is however a possibility of the inner flue duct being rotten and these boilers usually make pretty high CO readings anyway as they are ****e.
best advice would be to switch off the boiler and get it looked at. its the only way you are going to be sure.
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yes it could be, ive shut a few of these down for cracks inside cylindrical heat ex/combustion area, as said ,switch off and get someone round mate.
bwahhahaha 
in my experience these boilers don't usually work for long enough to pose a danger to anyone. Its a safety feature that Ideal like to employ on a number of their appliances
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