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We have 63 questions about mending 'combi boiler heating glow-worm'
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
Is it normal that the flame is burning all the time?
My central heating is not working?
Which way to turn slotted screw to adjust water pressure up on a glow worm ?
GS 24i junior boiler timer broken?
How to fix glow worm 18 hxi ?
Home heating systems?
My radiators not heating up?
BMU error code?