While you wait for answers, we may have found some information which could help you.
Click here for Combi Heating SmellWhy does my boiler keep switching on and off?
My Main 30HE loses pressure over 24 hour period?
How can I reduce the pressure on my boiler?
can I fit this myself or do I need to be gas safe engineer?
How can my boiler be fixed i main Medway 55/54 ?
how to regulate gas?