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We have 209 questions about mending 'boiler fault glow-worm'
Is it normal that the flame is burning all the time?
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
Home heating systems?
My radiators not heating up?
GS 24i junior boiler timer broken?
How to fix glow worm 18 hxi ?
BMU error code?
My central heating is not working?
Which way to turn slotted screw to adjust water pressure up on a glow worm ?