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    Vaillant 428

    Another strange thing about this house is that the two radiators in the bathrooms are hot when the boiler is programmed for water heating. When I asked why, I was told it was because it is a condensing boiler, and if I turn the radiators off in the summer the boiler will just shut down. But the...
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    Vaillant 428

    Also the big flame is showing again. I don't know if that is because my husband ran the bath or because I pressed the reset button. Although the radiator symbol is no longer flashing, the radiators are still stone cold. There is a constant sound of running water in the pipes beside the boiler...
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    Vaillant 428

    No, we have a different cylinder. To the right of the flashing radiator is a round thing with a dot or something similar in it. When I pressed the i button 2 numbers came up - either 5.6 or 5.1, sorry didn't write it down and have forgotten now. When I pressed the reset it was rather...
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    Vaillant 428

    PLEASE can someone help? Builders have disappeared for the weekend - don't these things always happen when the weekend arrives? I know that they did something to the system , draining down or something like that. The chap bled the radiators before he left on Friday, and now I cannot get any...
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