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We have 11 questions about mending 'glow-worm betacom 30'
I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
Home heating systems?
My radiators not heating up?
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 ?
BMU error code?
How to fix glow worm 18 hxi ?
GS 24i junior boiler timer broken?