Buried fernco fitting

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Rich_B, May 8, 2008.

  1. Rich_B

    Rich_B New Member

    Mar 6, 2006
    :DThanks for the previous help on my below floor ejector pump in the basement. I ran all the supply lines, DWV piping, and electrical for the bar sink and it's working great. Both the pump and check valve operate quieter than I thought it would be. I'm now moving to the bathroom and may start cracking some concrete to put the shower drain in (toilet flange was already roughed-in). When tapping in to the toilet drain line with a Y, can fernco fittings be used on Y even though it will be buried under the concrete floor?
  2. krow

    krow Plumber

    Feb 11, 2008
    Ontario, Canada
    Yes it can , as long as its well supported on both sides
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  4. TMB9862

    TMB9862 New Member

    Nov 12, 2006
    Inspectors here like to see cement under ferncos. You don't need a form or anything fancy, just a pile of cement.
  5. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    Here, Fernco, if you are referring to the all rubber coupling with 2 hose clamps, can ONLY be used underground. But, it has to be outside the building. Indoors you use banded couplings labled for the type of pipe being used. (The inspector usually likes the label to be on top so he can read it.)
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