Recent content by Grazza

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    Valliant 824E - reduce mains pressure

    Engineer arrived today and managed to turn the screw to reduce the pressure, (now why couldn't I do that) the correct key was also fitted to the screw to make it easier to adjust. I think I was just too scared to apply the correct force in case I broke it! Anyway, all's well now, thanks to...
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    Valliant 824E - reduce mains pressure

    I will try to locate the other screw tomorrow. Thanks for your replies. Graeme
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    Valliant 824E - reduce mains pressure

    Appreciate the swift response. The pressure is currently well below 3 bar, but relief valve is still open. Im unable to turn off the filling loop, the screw will not turn in the opposite direction!
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    Valliant 824E - reduce mains pressure

    My mothers valliant 824E has been losing pressure over a period of time, I occasionally increase the pressure by turning a screw on the underneath of the boiler, to approx 1.5 bar. Had a call today, to say the pressure was approx. zero bar, couldn't go round myself, so sent the wife...
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