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Discuss Does this pic show evidence of leak inside Combi boiler? in the Oil and Solid Fuel Forum area at

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  1. venton

    venton New Member

    As per previous posts, I'm having a bit of a nightmare with pressure drop on Firebird Oil Combi condensing boiler.
    I've done all I can to prove no leak on pipework (professional pressure tests, gas, thermal, visual).
    No leak from PRV or trap. Adding half bar a day into loop to keep pressure up.
    But water is going in, and not coming out. On previous thread, was suggested water could be vapourising inside boiler.
    So I called out Firebird to sort out under warranty.
    As they were dismantling, I took this photo. It appears to show tap water mineral deposit from evaporating water (boiler is 2 month old). This is on the bit of metal at front. I didn't get photo, but with this strip of metal removed, there was further evidence of dryed staining/ deposits.
    Is this evidence of leak, which wouldn't show up due to evaporation?
    They said they would go away to think about it.
    I am a layman so could be wrong here, so advice appreciated. Thanks.

    Attached Files:

  2. SimonG

    SimonG Trusted Plumber

    You've had some crap with this boiler and shown a tremendous amount of patience. But now you need to get heavy with Firebird. It's not the system, you've had that proven. Firebird need to get it sorted, not only is all the fresh water affecting the boiler but also the rest of the system
  3. deg

    deg Member

    Hard to know from that pic. Is that not where the condensate water gathers?
  4. venton

    venton New Member

    Just to report back... had a new boiler fitted (same model) and all fine now, no more pressure drops. Thanks for advice, it took a lot of convincing to get them to change it.
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  5. SimonG

    SimonG Trusted Plumber

    Thanks for coming back and letting us know.
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