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
howtomendit.com for free repair help, information and advice.
