Which way to turn slotted screw to adjust water pressure up on a glow worm ?
Central heating not working?
performa 30 he fault fan flue lights on ?
How can I fix my glow worm flexicom 30cx ?
Glowing 30hxi?
Intermittent boilet fails to fire on heating?
Glow-worm micron 60ff boiler niosy ?
Glow worm flexicom 30cx auto air vent - how do I replace?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?
GS 24i junior boiler timer broken?
radiators hot when water turned on?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?