While you wait for answers, we may have found some information which could help you.
Click here for Central Heating Hot Workcan I fit this myself or do I need to be gas safe engineer?
Fault on fan or flue?
how to regulate gas?
Main 24 Combie Boiler causing power trip of all power to home?
How can my boiler be fixed i main Medway 55/54 ?
How can I reduce the pressure on my boiler?