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Asbestos in boilers...
Asbestos was commonly used in boilers until it was banned from use in boiler
manufacture in 1984.
Several pre-1984 boiler models are long-lived enough for examples still to be
in use. The problem with these boilers is friable asbestos seals (on combustion
camber covers for example). These seals are fragile and disintegrate when
disturbed, shedding asbestos fibres into the atmosphere, presenting in my
opinion a serious health risk to any technician working on that boiler.
I maintain a short but growing list of boilers that I know from experience
contain such seals, and I decline to work on these due to asbestos health risk.
These models are all at least 25 years old and I advise prompt replacement if
you own one because keeping it maintained is likely to be ever more difficult as
fewer and fewer gas technicians are to work on them
Here is my current list:
Potterton Kingfisher Mk1
Potterton Flamingo Mk1
Potterton Netaheat (except electronic)
Glow Worm Space Saver Mk 1
Ideal Concord
Ideal 'E' type
There are probably other boilers containing friable asbestos seals that
need to be disturbed during service/repair, and I'll add them to this list as I
encounter them.
Update 28th June 2011:
I've just been sent a link to a very comprehensive list of appliances
believed to contain asbestos. It's here.
Page last updated 28th June 2011.
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