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?
Glow.worm ultracom 38 cxi showing f25 faultcode?
How can I fix my glow worm flexicom 30cx ?
how can i fix my central heating. Glow-worm ultimate?
boiler Glow-worm30cxi 30cxi not working?
Glow worm flexicom 30cx auto air vent - how do I replace?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
Is it normal that the flame is burning all the time?
Central heating not working?
what causes the sabre he 25 to come on, on its own?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?