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How can I fix my cetral heating back boiler type?

We have not used the heating all summer. When we switch on the centraling heating the heator radiotors not getting hot.
Ashraf, October 2008
Sounds like the pump is stuck.Press a screwdriver blade to it and put your ear to the end.If it is just buzzing the pump may need a sharp tap to try and free it.

Tony S, October 2008