Which way to turn slotted screw to adjust water pressure up on a glow worm ?
Glowing 30hxi?
Is it normal that the flame is burning all the time?
glow worm 30c boiler,no hot water?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?
Central heating not working?
how can i fix my central heating. Glow-worm ultimate?
Intermittent boilet fails to fire on heating?
How to fix glow worm 18 hxi ?
My central heating is not working?
Suprima 50?
What can I do about a Glow-worm Flexicom 30cx fault code F11?
glow worm 2boiler fires up for 10 to 20 mins then shuts off whats wrong?
glow worm 30cxi bolier?
boiler Glow-worm30cxi 30cxi not working?