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Recent content by bob_notbuilder

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    Vaillant Combi Boiler - How Do I Increase Pressure?

    Hi all I have moved into a flat with a Vaillant combi boiler but no instructions. Heating works, but we don't get any hot water. Previous experience tells me this is a pressure problem - a diagnosis confirmed as likely by a call to British Gas. I can't however, find any kind of valve...
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