25he

  1. Andrew417

    Vokera 25he pressure issues

    I have a problem with my Vokera 25he boiler losing pressure when the central heating warms up. The pressure sits steady at 1.5 until the radiators reach temp and then drops to zero within the hour. I have 5 radiators on the ground floor and 2 on the first. One radiator on the first floor has...
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