What does F43 error message mean on Glow Worm 24/30cx?
why is radiators hot when only water is on..HELP?
My Glow Worm Micron 30FF wont light. How can I check whats wrong&fix it?
Why are my radiators are not heating?
loud bang when boiler fires up, fault code F1 if it fails to fire?
Glow Worm Ultimate wont fire up?