Which way to turn slotted screw to adjust water pressure up on a glow worm ?
Glowing 30hxi?
Central heating not working?
Intermittent boilet fails to fire on heating?
GS 24i junior boiler timer broken?
glow worm 30c boiler,no hot water?
Glow worm flexicom 30cx auto air vent - how do I replace?
boiler Glow-worm30cxi 30cxi not working?
How can I fix my glow worm flexicom 30cx ?
performa 30 he fault fan flue lights on ?
water from taps is boiling hot?
radiators hot when water turned on?
Home heating systems?
BMU error code?
I have moved into a flat am dissabled carnt get heating on unit flashing F1?