Which way to turn slotted screw to adjust water pressure up on a glow worm ?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?
glow worm 2boiler fires up for 10 to 20 mins then shuts off whats wrong?
how can i fix my central heating. Glow-worm ultimate?
GS 24i junior boiler timer broken?
Glow worm flexicom 30cx auto air vent - how do I replace?
glow worm 30cxi bolier?
boiler Glow-worm30cxi 30cxi not working?
Central heating not working?
How to fix glow worm 18 hxi ?
What can I do about a Glow-worm Flexicom 30cx fault code F11?
glow worm 30c boiler,no hot water?
performa 30 he fault fan flue lights on ?
glow work swiftflow 75/80/100?