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Length of plume management kit

Discussion in 'Plumbing and Central Heating' started by alan999, 21 May 2013.

  1. alan999

    alan999

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    As a general rule does anyone know how long the maximum extension on a plume management kit can be from the original horizontal terminal of a combi boiler.

    Also I have been told that on a Viessmann plume management kit the outlet must be on the same wall and point in the same direction as the original terminal. Is this standard for all such kits?
    Thanks
     
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  3. Agile

    Agile

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    There is a limit to the total length of flue.

    I think you are misinterpreting the Viess requirements.

    I usually take them up and then discharge in +/- 45 degrees to either side as appropriate.

    Tony
     
  4. alan999

    alan999

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    Thanks for that Tony. I'll get on to Viessmann and check their maximum extension length. I only want to go up about 3 meters.
    I'm told the same direction bit is to make sure there is no pressure difference for the flue inlet an outlet which makes sense. I assume 45* either way wouldn't alter things much.
     
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