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  1. 0

    Pressure issue with Viessmann Vitodens 100 Boiler

    No gauge near it so was up and down at least half a dozen time. Got it done eventually and the boiler has fired up. Thank you all for your help.
  2. 0

    Pressure issue with Viessmann Vitodens 100 Boiler

    Find this 2 floors up from the boiler near the water tank. Is that what I'm looking for?
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    Pressure issue with Viessmann Vitodens 100 Boiler

    Figured there was something missing. Unfortunately it's not working at 0.5 bar. It's a council property so not allowed to mess with the pipes. Will just have to get them to sort it out. Thank you for the replies.
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    Pressure issue with Viessmann Vitodens 100 Boiler

    My Grans called me over as her boiler was not working. It looks like an issue with the pressure. The red reset light is flashing and the display is reading 0.5 bar. The picture shows the pipework for the boiler. I have opened up both the black valves by 90 degrees, first the one on the...
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