i would be nice to know
boiler make & model
gas council number [if possible]
i wouldnt advise you to attempt repairing or replacing any parts to do with the turret gasket as it forms part of the flue system
if it is disturbed for any reason it MUST be tested thoroughly to check integrity of flue
beyond your ability to do this LEGALLY
get an engineer asap
manwithnoname
April 2012
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