How to mend Glow-worm Ultimate 50 Ff

Central heating not working?

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How can I fix my glow worm flexicom 30cx ?

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Is it normal that the flame is burning all the time?

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Suprima 50?

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My central heating is not working?

I have moved into a flat am dissabled carnt get heating on unit flashing F1?

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what causes the sabre he 25 to come on, on its own?

how can i fix my central heating. Glow-worm ultimate?