While you wait for answers, we may have found some information which could help you.
Click here for Worm Boiler Model
why is radiators hot when only water is on..HELP?
Why are my radiators are not heating?
Replacing LP112 Programmer?
how can I fix my old glow worm central heating boiler model 65-80?
Glow Worm Fuel Saver F not working properly ?
loud bang when boiler fires up, fault code F1 if it fails to fire?