Utility sink drain

Discussion in 'Toilets and Sinks' started by Rmdrent, Sep 5, 2011.

  1. Sep 5, 2011 #1

    Rmdrent

    Rmdrent

    Rmdrent

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    Want to put utility sink in garage. What is the minimum distance above the main 3" drain line do I need. I don't know if I will have enough drop below the sink after the trap...
    Thanks...
     
  2. Sep 5, 2011 #2

    johnjh2o

    johnjh2o

    johnjh2o

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  3. Sep 6, 2011 #3

    Rmdrent

    Rmdrent

    Rmdrent

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    3" main is on other side of concrete wall about 12-18" below the floor of the garage ( where I want the sink). Need to know if I can tie in to the main with trap bottom about 12" above the 3" main... I haven't measured this exactly yet... Just want to find out what the min height I would need...
     
  4. Sep 7, 2011 #4

    Rmdrent

    Rmdrent

    Rmdrent

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    Attatched picture of basement wall.

    IMG_4050.jpg
     
  5. Sep 7, 2011 #5

    johnjh2o

    johnjh2o

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    Bring the drain through 12" above the garage floor. You do realize that you will also need a vent on the new line.

    John
     
  6. Sep 7, 2011 #6

    Rmdrent

    Rmdrent

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    Yes, I will tie into an existing vent line on the first floor or run a new vent line out the side of the house...just not sure if I should tie the new drain into the vertical stack in the picture or bring it down and tie in horizontal extending that flush out?
    Obviously I am not a plumber...but have had years of success trying.... so far...
    just dont want to screw anything up on this one since it is my mother-in laws new home...
     
  7. Sep 7, 2011 #7

    johnjh2o

    johnjh2o

    johnjh2o

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    Use a Y and 45 on the vertical line.

    John
     

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