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Posted by chrissy on March 02, 2005 at 08:24:39:
Hello,
for the last week , my biasi 24l combi has been making an unbearable vibrating noise from within the boiler itself. I have pressed a tiny rubber coated valve thing and there was no change. The water heating and radiators still circulate,though maybe are not functioning at 100%
Any ideas or advice please
chrissy