Which way to turn slotted screw to adjust water pressure up on a glow worm ?
glow worm 30cxi bolier?
glow worm 2boiler fires up for 10 to 20 mins then shuts off whats wrong?
Glow-worm micron 60ff boiler niosy ?
My central heating is not working?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
fitting thermostat?
GS 24i junior boiler timer broken?
What can I do about a Glow-worm Flexicom 30cx fault code F11?
Glow Worn Micron 50FF?
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?