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?
BMU error code?
glow worm 30c boiler,no hot water?
how can i fix my central heating. Glow-worm ultimate?
Is it normal that the flame is burning all the time?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?
Central heating not working?
Glow worm flexicom 30cx auto air vent - how do I replace?
Glow.worm ultracom 38 cxi showing f25 faultcode?
Intermittent boilet fails to fire on heating?
performa 30 he fault fan flue lights on ?