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We have 152 questions about mending 'glow-worm back boiler'
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
GS 24i junior boiler timer broken?
BMU error code?
My central heating is not working?
Home heating systems?
Is it normal that the flame is burning all the time?
My radiators not heating up?
Which way to turn slotted screw to adjust water pressure up on a glow worm ?
How to fix glow worm 18 hxi ?