Bosch Greenstar 30i pressure drop

Discussion in 'Engineers' Talk' started by George79, Mar 30, 2019.

  1. George79

    George79 New Member

    Hi All,

    Sorry if this was asked before, I couldn't find any answers - I have a Worcester Bosch Greenstar 30i combi boiler and had the annual check last week, all passed with flying colours, I just noticed today that in between runs the pressure gauge drops to the lowest point, which is (obviously!) in the "red" zone.
    I didn't paid attention to it before, but if I remember correctly, it was always in green, even when it was not running! Or am I mistaken? Wanted to ask someone else before calling BritishGas to ask for an engineer to come and check.
    When the heating starts when the thermostat temp. drops below the set value, it goes in the green zone again, but not sure if it should always stay there or not.

    Hope I am making any sense at all :)

  2. spirits are real 2016

    spirits are real 2016 Active Member

    top up to 1.5 bar it might just be a little low.
    George79 likes this.
  3. George79

    George79 New Member

    Thanks for your reply, topped up as advised, seems to be working with no probs.

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