Which way to turn slotted screw to adjust water pressure up on a glow worm ?
how can i fix my central heating. Glow-worm ultimate?
Intermittent boilet fails to fire on heating?
glow work swiftflow 75/80/100?
glow worm 2boiler fires up for 10 to 20 mins then shuts off whats wrong?
BMU error code?
GS 24i junior boiler timer broken?
What can I do about a Glow-worm Flexicom 30cx fault code F11?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?