We may have found other answers which could help you.
Click here for Loud Noise Morning
Central heating not working?
GS 24i junior boiler timer broken?
Glow worm flexicom 30cx auto air vent - how do I replace?
My radiators not heating up?
My central heating is not working?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?