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Lc_shi
24-08-2006, 10:31 AM
Hi Sirs
Is it compulsory or not to clean the water pipe and air duct of large AC system periodically in your place ? We've no rule for this issue in China ,so many AC system run more than 10 years. There're should be dangerours for users for the system may be with virus and bacteria.
How about the situation in your country? pls comment

best regards
LC

Abe
24-08-2006, 10:35 AM
This is the UK position

http://www.hse.gov.uk/pubns/iacl27.pdf#search=%22the%20law%20and%20legionella%22

Renato RR
24-08-2006, 03:03 PM
Duct needs to be desinfected each year.Pipes of closed system no becose they dont imperil human health.

Renato