loud bang when boiler fires up, fault code F1 if it fails to fire?
Glow worm bioler spares?
boiler internal fuse keep blowing out!?
Glow worm 100E small burner flame, now hot water?
What does F43 error message mean on Glow Worm 24/30cx?
My Glow Worm Micron 30FF wont light. How can I check whats wrong&fix it?