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Discuss Normal pressure rise on a sealed system combined boiler in the Plumbing Forum area at UKPlumbersForums.co.uk.

  1. Matt0029

    Matt0029 GSR

    When the heatings on what is a normal pressure rise if the expansion vessel is working correctly? Under 1 bar would you say?
     
  2. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    System pressure of 1-1.5 bar cold
    System pressure of 2-2.5 bar warm
     
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  3. king of pipes

    king of pipes Trusted Plumber GSR Top Contributor!!

    0.5 bar rise is the norm . Kop
     
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  4. Harvest Fields

    Harvest Fields Trusted Plumber GSR Top Contributor!!

    Why? What are you getting?
     
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