I have a 30cx glowwarm that is showing F4 as fault.I have no hot water?
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My radiators not heating up?
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Home heating systems?
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My central heating is not working?
boiler Glow-worm30cxi 30cxi not working?
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How can I fix my glow worm flexicom 30cx ?
Is it normal that the flame is burning all the time?