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Noisy Baxi Solo 2 30PF

Discussion in 'Plumbing and Central Heating' started by JonByTheSea, 22 Apr 2007.

  1. JonByTheSea

    JonByTheSea

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    Just bought a house with a Baxi Solo 2 boiler. Boiler makes a noise like a steam train when it's running. If the room stat is calling for heating and the (Grundfos) pump is running, but I turn off the boiler, water circulates quietly. Had a plumber look at it, and he thinks it's full of sludge, and moaned about it having no drain tap. He suggested putting Sentinel sludge remover in for a few weeks. Looking at the boiler, it appears that replacing the heat exchanger would be quite straightforward. Are they still avaiable? How good is the Sentinel anti-sludge stuff? Can it really unblock a boiler that's had no TLC for years? Any other suggestions?
     
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  3. gas4you

    gas4you

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    X400 is good but mild acting. If you really want to clean out everything go for Fernox DS40 but make sure you read M I's carefully and follow to the letter. Use a neutraliser afterwards and then add inhibitor.

    If you just changed the heat exchanger without a proper flush you would just be wasting your money, as rest of system will be full of crud and soon block it up again :rolleyes:
     
  4. JonByTheSea

    JonByTheSea

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    Thanks Dave - maybe I'll leave the Sentinel stuff in for a week or 2 (as I've paid for it and spent ages flushing the system before adding it) but if it doesn't improve I'll take your suggestion of the Fernox DS40
     
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