Intermittent boilet fails to fire on heating?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?
What can I do about a Glow-worm Flexicom 30cx fault code F11?
Which way to turn slotted screw to adjust water pressure up on a glow worm ?
performa 30 he fault fan flue lights on ?
how can i fix my central heating. Glow-worm ultimate?