"J" & "P" Under Sink Drain Traps: Differences Between ?

Discussion in 'Misc DIY' started by Robert11, Jan 19, 2006.

  1. Robert11

    Robert11 Guest

    Hello:

    A bit confused over terminology on this, was wondering if anyone can clarify
    it for me.

    Regarding the typical under sink bathroom drain traps:

    I always thought these U-bend assemblies were called "J" Traps.

    But I see that in some text they term them "P" Traps.

    What are the differences between a J and a P Trap, then ?

    Couldn't find any good pix of these two types; anyone know of any links
    showing differences, etc. ?

    Thanks,
    Bob
     
    Robert11, Jan 19, 2006
    #1
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  2. Robert11

    RicodJour Guest

    Re: "J" & "P" Under Sink Drain Traps: Differences Between ?

    Robert11 wrote:
    >
    > A bit confused over terminology on this, was wondering if anyone can clarify
    > it for me.
    > Regarding the typical under sink bathroom drain traps:
    > I always thought these U-bend assemblies were called "J" Traps.
    > But I see that in some text they term them "P" Traps.
    > What are the differences between a J and a P Trap, then ?
    > Couldn't find any good pix of these two types; anyone know of any links
    > showing differences, etc. ?


    http://www.everything2.com/index.pl?node=Elbow trap

    A thousand words is as good as a picture. ;)

    R
     
    RicodJour, Jan 19, 2006
    #2
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  3. Robert11

    BobK207 Guest

    Re: "J" & "P" Under Sink Drain Traps: Differences Between ?

    Sometime between now & the time I learned my plumbing skills at my
    father's side they came up with all thiese extra BS names

    Rico I found the same webspage but (at least for me) the links to the
    trap types appear broken or do not produce a picture.

    cheers
    Bob
     
    BobK207, Jan 20, 2006
    #3
  4. Robert11

    RicodJour Guest

    Re: "J" & "P" Under Sink Drain Traps: Differences Between ?

    BobK207 wrote:
    > Sometime between now & the time I learned my plumbing skills at my
    > father's side they came up with all thiese extra BS names
    >
    > Rico I found the same webspage but (at least for me) the links to the
    > trap types appear broken or do not produce a picture.


    That's why I wrote a thousand words are as good as a picture and gave
    it a little smiley. The description should be sufficient for the OP.

    R
     
    RicodJour, Jan 20, 2006
    #4
  5. Robert11

    Guest

    Re: "J" & "P" Under Sink Drain Traps: Differences Between ?

    Robert11 wrote:
    > Hello:
    >
    > A bit confused over terminology on this, was wondering if anyone can clarify
    > it for me.
    >


    We call them S & P traps in Australia.

    P traps are shaped like a letter P and S traps are shaped like an S.

    P traps drain sideways & S traps drains down.
     
    , Jan 20, 2006
    #5
  6. Robert11

    buffalobill Guest

    Re: "J" & "P" Under Sink Drain Traps: Differences Between ?

    from buffalo ny: don't get "trapped" by the letters, the common P trap
    has both removable nuts. other less common J trap has a captive nut
    [where the short side of the trap has its own nut that screws upward
    onto the threaded wall arm]. there are many varieties of traps in
    plumbing but mostly just replace the kitchen with 1-1/2" and the
    bathroom sink with 1-1/4" often found as a combination sized trap with
    extra insert adapter in the bag for the smaller sink size.

    i agree with the lack of photos.
     
    buffalobill, Jan 20, 2006
    #6
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