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  1. AnnaGoodman

    vaillant combi boiler - shower too hot - low pressure?

    Lizmillar, Can you please tell me what the filling tap looks like that you located? I have the identical problem that you had and I have your exact boiler! I also tried turning the 'filler tap screws' but it turns out, as you discovered, they're not the filler taps... but I still have no idea...
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