You don't give much to go on i'm afraid, Boiler Make & Model would be a great help, but it does sound like you need a Service Engineer to Call
www.gassaferegister.co.uk will assist you in finding a Registered Gas Engineer near you, if Oil fired go to www.oftec.org for help in finding an Oil Service Engineer near you
www.elanar.co.uk
May 2009
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