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  1. S

    Erratic Pressure Greenstar

    I agree PRV is probably passing, i have put a bag round it and see what it gathers. Looks a bit of a pig to change out. thanks again stevie
  2. S

    Erratic Pressure Greenstar

    Thanks, i just looked at the FAQ on this site and followed the step by step guide for topping up the Pressure Vessel, now with the heating on it goes up from the 1 bar to 1.3bar, will check and see what the pressure does when switched off.
  3. S

    Erratic Pressure Greenstar

    Thanks for your response. i topped up the EV with no pressure on the boiler,i will get a new PRV, how would i know if the Expansion Vessel is faulty. Cheers Stevie
  4. S

    Erratic Pressure Greenstar

    Hi, i have a 2 year old Worcester Bosch 30si Greenstar Boiler and recently its been playing up, pressure has been very erratic. First of all the pressure has been dropping to 0bar when boiler not in use, when running it will go to approx 2bar.I checked the EV and there was no water coming out...
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