While you wait for answers, we may have found some information which could help you.
Click here for Worm Boiler Combination
My radiators not heating up?
Glow worm flexicom 30cx auto air vent - how do I replace?
Home heating systems?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?
My central heating is not working?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?