Recent content by Richaj

  1. R

    Working on vaillant 828 boiler

    Thanks to both of you. I think I've got it now, I was getting confused with the valves on the filling loop. Just to confirm then, I need the two in-line valves on the 22mm pipes at either side of the boiler. OK?
  2. R

    Working on vaillant 828 boiler

    I've identified in the boiler spec. the "CH flow service valve" on the left underneath the boiler. Is this the one to turn off?
  3. R

    Working on vaillant 828 boiler

    To change the diverter valve, can I drain just the boiler and not the whole CH sytem?
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