Washing machine drain layout

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by 1832 farmhouse, Jul 7, 2013.

  1. 1832 farmhouse

    1832 farmhouse New Member

    Joined:
    Jul 7, 2013
    Location:
    Horsham , PA
    Hello,

    This is my first post and I hope the pictures come through ok. I am DIYer with a wide knowledge of construction.
    I am moving laundry to 2nd floor while remodeling and want a extra eyes on my layout.
    I current setup is dryfitted together.

    thanks
    2013-07-07_14-46-22_170.jpg
     
  2. Gary Swart

    Gary Swart In the Trades

    Joined:
    Sep 1, 2004
    Location:
    Yakima WA
    I can't see for sure, but does the vent go to the outside or is than an AAV? AAV venting may not be OK where you are.
     
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  4. johnjh2o1

    johnjh2o1 Plumbing Contractor for 49 years

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    Occupation:
    Retired
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    Even if the AAV is permitted it must be in a location where it can be serviced.

    John
     
  5. Tom Sawyer

    Tom Sawyer In the Trades

    Joined:
    Nov 29, 2010
    Location:
    Maine
    AAV's don't work on washing machine drains. Washer drains are a pressure assisted drain. AAV's only let air in, not out.
     
  6. 1832 farmhouse

    1832 farmhouse New Member

    Joined:
    Jul 7, 2013
    Location:
    Horsham , PA
    It is a AAV. I will have a access panel in front of it. I have never heard that AAV's could not be used on washing machines.
    I thought a AAV open and closes?
    would it not work with the pressure that washer machine discharges?

    Thanks

    I have had AAVs installed on previous piping in another home area in my on a drain line.
     
  7. 1832 farmhouse

    1832 farmhouse New Member

    Joined:
    Jul 7, 2013
    Location:
    Horsham , PA
    would anyone install a cleanout somewhere in my layout?
     
  8. johnjh2o1

    johnjh2o1 Plumbing Contractor for 49 years

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    Occupation:
    Retired
    Location:
    South*East
    AAV's only open with a negative pressure.

    John
     
  9. 1832 farmhouse

    1832 farmhouse New Member

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    Jul 7, 2013
    Location:
    Horsham , PA
    wouldn't there be negative pressure behind the water as it passes down the tee?
     
  10. johnjh2o1

    johnjh2o1 Plumbing Contractor for 49 years

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    Occupation:
    Retired
    Location:
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    On a pumped drain such as a clothes there can be a positive pressure caused by the water displacing he air in the line. That will not allow the AAV open.

    John
     
  11. 1832 farmhouse

    1832 farmhouse New Member

    Joined:
    Jul 7, 2013
    Location:
    Horsham , PA
    I see. very bummed out right now. Things now means another roof penetration? do they make a vent for my situation that would exit through the wall ?
     
  12. johnjh2o1

    johnjh2o1 Plumbing Contractor for 49 years

    Joined:
    Aug 9, 2009
    Occupation:
    Retired
    Location:
    South*East
    You could connect it to another vent in the attic.

    John
     
  13. Smooky

    Smooky Member

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    Apr 4, 2011
    Location:
    NC
  14. Gary Swart

    Gary Swart In the Trades

    Joined:
    Sep 1, 2004
    Location:
    Yakima WA
    Nothing says you can't go through the wall and then up with a vent.
     
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