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  1. #1
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    Forced air floor ventilation



    Does anyone have any experience in dealing with forced air floor ventilation? Our system is failing due to old piping rotting and filling up floor vents with sand. The runs are 200 to 250 feet long 90 in total tried running a camera up a few holes to see what's going on but pretty sure its sand. Can only get in about 70 feet before the camera cable starts to just buckle on it self. The holes are about 8 inched in Dia steel corrugated pipe age is about 40 years old looking for a fix with out having to empty the rooms and removing the racking to tackle the job from the top.



  2. #2
    Brian_UK's Avatar
    Brian_UK is offline Moderator I am starting to push the Mods: of RE Site Moderator : and general nice guy
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    Re: Forced air floor ventilation

    Have you tried a pressure drain rod, the type that uses water jets to clean and power itself forward.

    If that works then you might be able to clear the existing pipes and maybe reline.

    Clutching at straws here...
    Brian - Newton Abbot, Devon, UK
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  3. #3
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    Re: Forced air floor ventilation

    Use a Soil Displacement Hammer to pull in PEX pipe for reticulated Glycol
    Mankind does not know why Coffee make us poop..
    https://m.youtube.com/watch?v=U8Fqyyv16SM

  4. #4
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    Re: Forced air floor ventilation


    Hi
    might these help you.

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