2 Toilets share same wall-low bowl prob

Discussion in 'Toilet Forum discussions' started by Larry Pokey, May 2, 2006.

  1. Larry Pokey

    Larry Pokey New Member

    Joined:
    Apr 28, 2006
    Have a common wall with 1.6 gal toilet on one side and old 4-5 gal toilet on the other side. Flush of 1.6 gal causes drain of bowl water in 4-5 gal toilet by approx. 1/2 inch per flush. Vent on roof is clear - did this week with snake - nothing found blocking. Just suction is pulling it at 1/2 inch per 1.6 gal flush and by the end of the day hardly any water is left in 4-5 gal toilet. Very annoyed. Any suggestions short of tearing the wall out for 2 vents? THX.
     
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    I had two toilets back to back, using a fixture cross and a shared 2" vent in the last house.

    Neither toilet affected the other toilet.

    It could be a venting issue.
     
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  4. Cass

    Cass Plumber

    Joined:
    Nov 12, 2005
    Location:
    Ohio
    Agree with Terry, I think you have a venting problem.
     
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