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    Worcester 28si hot water only warm

    I recieved a service call to a C1 (28si) the fault was the hot water was only warm on inspection all appears working ok. I checked gas pressures on low and high firing and all was ok, the heat exchanger is clear. On checking the mains temperature it was 1.C could it be the boiler is struggling...
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    Worcester 28Si combi manual download needed

    Ive tryed worcesters site but only the user manual is available I need the installers manual Any links or anyone got one they can sell / send please