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?
glow worm 30cxi bolier?
how can i fix my central heating. Glow-worm ultimate?
My central heating is not working?
Glow worm flexicom 30cx auto air vent - how do I replace?
How can I fix my glow worm flexicom 30cx ?
performa 30 he fault fan flue lights on ?
glow worm 30c boiler,no hot water?
Is it normal that the flame is burning all the time?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
Bt Gas glow worm 330 timer controls not working?
Glow Worn Micron 50FF?
Glow.worm ultracom 38 cxi showing f25 faultcode?
Suprima 50?
What can I do about a Glow-worm Flexicom 30cx fault code F11?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?