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  1. W

    Ravenheat RSF 820/20 boiler centralheating pressure question

    Thanks guys
  2. W

    Ravenheat RSF 820/20 boiler centralheating pressure question

    Hi guys I have a Ravenheat RSF 820/20 boiler running my hot water and central heating. The central heating water pressure sits at around 1 bar when the boiler is off. When the boiler is running the central heating the pressure climbs to about 2.7 bar at full heat. Is this normal or...
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