Which way to turn slotted screw to adjust water pressure up on a glow worm ?
How can I fix my glow worm flexicom 30cx ?
how can i fix my central heating. Glow-worm ultimate?
fitting thermostat?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
water from taps is boiling hot?
glow work swiftflow 75/80/100?
My radiators not heating up?
What can I do about a Glow-worm Flexicom 30cx fault code F11?
boiler Glow-worm30cxi 30cxi not working?
Glow worm flexicom 30cx auto air vent - how do I replace?
Intermittent boilet fails to fire on heating?