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  1. sofie

    Pressure drop in Vaillant ecoFit Pure 825- 835

    Have you had any recurring issues with your boiler? Anyone trusted you could recommend please as all the people I've managed to get never seem to fix the issue. Thank you
  2. sofie

    Pressure drop in Vaillant ecoFit Pure 825- 835

    Thank you. It was wet and leaking out. The problem was fixed but I have been having the pressure drop again. This time i trued the filling loop to repressurise but cannot see the pressure increase and cannot hear anything.. Fair to say I've grown tired of this boiler. It's not under warranty...
  3. sofie

    Pressure drop in Vaillant ecoFit Pure 825- 835

    In the visit 2 weeks ago it states that he changed the PRV. Could it be anything else? Or could it be that he didn't actually change it? I wasn't there during the visit.
  4. sofie

    Pressure drop in Vaillant ecoFit Pure 825- 835

    Thank you very much for clarifying that. I tried really hard to Google it but couldn't get a clear description. Not to mention my lack of knowledge in the subject.
  5. sofie

    Pressure drop in Vaillant ecoFit Pure 825- 835

    Thank you ladies and gentlemen you have all been very helpful. The discharge pipe has water dripping out and for some time it seems (if I'm not wrong) as there was also some sludge. It seems the engineer that came to service did not check this. How can I go about this with or without the engineer?
  6. sofie

    Pressure drop in Vaillant ecoFit Pure 825- 835

    Yes. I have checked for any leaks from the pipes. The pipes connecting the radiators are all above the floor so checked those as well. No leaks or presence of water. Is 2.1 too much? It was between the limit so I thought it was OK.
  7. sofie

    Pressure drop in Vaillant ecoFit Pure 825- 835

    No. It rises by about 0.1 so if it is set to 1.5 it will rise to 1.6. Never goes high or even low when the heating is in use. But when NOT in use the pressure drops.
  8. sofie

    Pressure drop in Vaillant ecoFit Pure 825- 835

    Oh. Thank you. I am not very savvy with equipment. I listed the information from the manual regarding the model number. Could you guide me as to which one is the isolation valve please?
  9. sofie

    Pressure drop in Vaillant ecoFit Pure 825- 835

    Hello all, my Vaillant ecoFit Pure 825- 835 combi boiler has been running fine from 2019 till early 2024. We have had a mains water pipe leak due to which it had been off for a few months. The leak was fixed and we switched the boiler on but now its pressure constantly drops. It is still under...
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