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    Worcester Bosch banging noise when DHW cold inlet presurised

    A problem strarted occuring a week or so ago and is as follows : Whenever the cold mains water supply re-pressurises (e.g. after the washing machine, dishwasher or toilets have finished taking in water) there is a banging noise followed by some pipe rattle upstairs. At first it was...
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    Furher update from BigG

    Accidental new topic.
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    Bosch Wocester 28Si pressure gauage keeps rising

    Hi, I've got a Bosch Worcester 28Si combi boiler which I have been using for the past 5 years or so without any issues. The Norm...... I've always kept the pressure gauge just above 1.0bar when CH not on. The pressure normally rises to approx 2.0bar whilst CH is on and then when CH...
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