Which way to turn slotted screw to adjust water pressure up on a glow worm ?
glow worm 2boiler fires up for 10 to 20 mins then shuts off whats wrong?
Intermittent boilet fails to fire on heating?
what causes the sabre he 25 to come on, on its own?
How can I fix my glow worm flexicom 30cx ?
My radiators not heating up?
glow worm 30c boiler,no hot water?
What can I do about a Glow-worm Flexicom 30cx fault code F11?
Central heating not working?
GS 24i junior boiler timer broken?
how can i fix my central heating. Glow-worm ultimate?
Glow worm flexicom 30cx auto air vent - how do I replace?
boiler Glow-worm30cxi 30cxi not working?
Glow.worm ultracom 38 cxi showing f25 faultcode?
Is it normal that the flame is burning all the time?