high pressure on baxi combi 105e

Discussion in 'Plumbers' Talk' started by sparki, Jul 10, 2007.

  1. sparki

    sparki New Member

    the pressure on my 105e baxi boiler has jumped up to 3.5 bar i have blead the rads to drop down this pressure but an hour later the pressure was back up again any ideas on wot is causing this
  2. bleve?

    bleve? New Member

    filling loop passing or plate heat exchanger kaput,possibly could be exp vessel,when was it last serviced,these three things are the easiest to start with.
  3. strappy

    strappy New Member

    sounds like you've lost the air in your expansion vessel
  4. ally1957

    ally1957 New Member

    the pressure on my 105e baxi boiler has jumped up to
    3.5 bar i have blead the rads to drop down this
    s pressure but an hour later the pressure was back up
    again any ideas on wot is causing this

    Global warming.
  5. sparki

    sparki New Member

    Thanks bleve sorted it today was the filling loop a valve failed only £2.60 for a new part also i gave it its first service since i put it in 6 years ago such an easy boiler to work on

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