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    I have UK vaillantboiler displaying f.72 fault code.

    Noted! It is a rental, I have someone coming to fox it tomorrow, thanks for the the advice.
  2. N

    I have UK vaillantboiler displaying f.72 fault code.

    I'm sorry, I'm a complete novice here, this is a new flat I've recently moved into and the flatmate is not currently here and I doubt she will know what to do with this either. The tap in the yellow has already been touched, that seems to release any pressure that is in there. The red vessel...
  3. N

    I have UK vaillantboiler displaying f.72 fault code.

    I have UK vaillantboiler. This morning it was displaying f.72 fault code so I restarted the thing a few times and that went away but now there is 0 pressure and I can't seem to figure out how to repressurise it and also the f.72 code has returned. I have looked online and all or most of the say...
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