Recent content by dawson666

  1. D

    Biasi m90f 24s find dhw but no ch?

    The heating hot water pipe does not get hot (below the boiler, in the boiler it is red hot), it seems to me as if the water cannot be pumped down the pipe, the pipe is open as the temperature gradually slowly warms up as if the hot water is mixing with the cold water..... Have you checked...
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