Proper brush and way to clean flex pipe

cparts Posted By cparts, Sep 5, 2019 at 11:00 PM

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  1. cparts

    cparts
    Member 2.
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    Aug 7, 2017
    48
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    Loc:
    Southwest Virginia
    Hi,

    I’m having trouble figuring what to do to clean this. Some threads are not clear about type of pipe.

    Last year I burned about 1.5-2 tons through new 4” bio vent FLEX stainless 25’ in chimney liner.

    I can’t really get a brush up through bottom because of the way it is set up.

    What type of brush is used for 25’ flex?
    Does it require a drill or is it more of a reaming type motion?
    Any tips to avoid getting brush stuck?
    Tips for coming from top?

    Thanks
     
  2. miteclipse

    miteclipse
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    Mar 8, 2013
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    Loc:
    Hughesville, MD
    Look at the Sooteater Rotary system for pellet stove. Should work with a flex setup.
     
  3. Overfireinthehole

    Overfireinthehole
    Feeling the Heat 2.
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    May 5, 2017
    375
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    Loc:
    Miller MO
    Soot eater on a drill from the bottom up. Just brush till you feel it hit the top. I’d get 9 rods if you have 25’.
     
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  4. jerrieric

    jerrieric
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    Jul 7, 2008
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    I never saw the advantage of the rotary brush. Just requires another tool you need. A drill to make it work. Every time I brush my 20 to 25 ft rigid pipe the brush cleans it completely. And with the flex fiberglass piping it never gets stuck.
     
  5. Overfireinthehole

    Overfireinthehole
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    May 5, 2017
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    Try cleaning 4-5 stoves a day a
    Try cleaning 4-5 stoves a day and you’ll see the advantage. Also, the rotary system gets way more out of ribbed flex than you ever could with a manual brush and rod.
     
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  6. jerrieric

    jerrieric
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    Jul 7, 2008
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    Yeah I understand but I've never used ribbed flex. I've always used duravent smooth inside. Why would you ever have a ribbef vent except if you have to bend around corners?
     
  7. Overfireinthehole

    Overfireinthehole
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    May 5, 2017
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    Miller MO
    Most lining jobs involve running around the damper. Plus, the Olympia forever flex is the cheapest way to line a chimney. If a customer wants a better pipe, we run duravent 4” hard pipe.
     
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  8. cparts

    cparts
    Member 2.
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    Aug 7, 2017
    48
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    Loc:
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