Toilet flushing problem

Discussion in 'Toilet Forum discussions' started by husky, Nov 5, 2012.

  1. husky

    husky New Member

    Joined:
    Nov 5, 2012
    Location:
    va
    We just started having a problem with flushing. When we flush it does not seem like it wants to draw the water down right. I have pulled off the air vents under the sinks and it flushes right. Have installed new vent caps but did not help. Any ideas?? And yes this is on a double wide trailer.
     
  2. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    IF it flushes with the "air vents" off, it is NOT a problem with the air vents. You have a plugged sewer, or at least the pipe is full of water for some reason. That is a problem with "air vents" which does not occur when the vents are installed properly so you do not need them.
     
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  4. Gary Swart

    Gary Swart In the Trades

    Joined:
    Sep 1, 2004
    Location:
    Yakima WA
    What are "airs vents"? Inquiring minds want to know. I'm just a dumbass DIY, but I've never heard this term before.
     
  5. husky

    husky New Member

    Joined:
    Nov 5, 2012
    Location:
    va
    Thanks HJ. The air vents I'm talking about are just a one way valve. They were to cheap to run the pipes right!!
     
  6. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    Those are generically referred to as AAV (air admittance valves)...note that they can't be the ONLY vent - you still need at least one atmospheric vent out the roof for the overall system to work properly.
     
  7. Gary Swart

    Gary Swart In the Trades

    Joined:
    Sep 1, 2004
    Location:
    Yakima WA
    I believe AAVs are not OK for toilets anyway.
     
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