Cleanout On Existing Vent?

Discussion in 'Remodel Forum & Blog' started by Timbo, Aug 29, 2005.

  1. Timbo

    Timbo New Member

    Messages:
    2
    I have a 4" cast iron vent on the end of a line just after the toilet. I am wanting to install a cleanout to the outside brick wall approx. 3' away. First, is it okay to do this? Second, any height requirements off the slab. Third what's the easiest way, cut a hole in the existing cast and put on a saddle or pull the cast stack out and reinstall with PVC or what. If the easiest is to cut a hole, how do I cut the hole, the sheetrock is off on one side of the wall only? Fourth, what would be the size I should use, I want to use PVC?
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,608
    Location:
    Cave Creek, Arizona
    co

    You cut a short section of pipe out of the vertical line. Then you insert a tee, (a cast iron tee would be the easiest one to insert), and install the lateral pipe to the outside.
  3. Timbo

    Timbo New Member

    Messages:
    2
    How would I go about cutting the existing CI since I have sheetrock on the backside? Would this new tee use those rubber donuts? How high off the slab?
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