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positive pressure

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nerski
nerski Member Posts: 6
in THE MAIN WALL
Thank You Alan and Kevin for sharing your knowledge.This Wall is a great resource, Thanks Dan!

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  • nerski
    nerski Member Posts: 6
    possitive pressure

    I have positive pressure over my fire in a H.B.Smith series 8 3 section. Anybody know the proper method to adjust and maintain "0" smoke? My flue is -.03" w.c.
  • Alan R. Mercurio
    Alan R. Mercurio Member Posts: 588


    Adjusting the draft regulator may help by closing it, if it's not closed already. The size and condition of the chimney will have a lot to with the draft also. A -.03 at the breech is rather low especially this time of year with cooler outdoor temps.

    Also have the flue passages been checked for obstruction? You can have a - draft at the breech and still have plugged flue passages.

    Your Friend in The industry,
    Alan R. Mercurio

    www.oiltechtalk.com
  • kevin
    kevin Member Posts: 420
    w/ smith boilers..

    don't they recommend no barometric draft control on the 8 series? kpc
  • Alan R. Mercurio
    Alan R. Mercurio Member Posts: 588


    Kevin, I believe you're right I just looked at the installation instructions and no where does it mention the installation of a barometric. By the way for the 3 section the chimney should be 8x8x18

    Your Friend in The industry,
    Alan R. Mercurio
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