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    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #21

    Oct 14, 2011, 04:26 PM
    I'm sorry but that set up won't fly either. All codes mandate that you can not discharge a major fixture, such as a toilet past a unvented minor one, (such as your vanities). You have three options,
    1. Run a vent out the roof or revent back to a existing dry roof vent in the attic.
    2. Revent into a fixtures dry vent at least 6" above the flood rim of that fixtures. **OR**
    3. Install a AAV,( air admittance vent) but out where it can be serviced and not behind a wall.
    Either way you're going to hafta go up instead of down. Good luck, Tom
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #22

    Oct 14, 2011, 04:59 PM
    Hi all..

    Shulta, I'll try to draw this up as Tom and I would recommend piping it up, OK? Give me until Sat. night or even Sun. morning, but should not be any later than that, OK?

    Mark
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #23

    Oct 14, 2011, 06:01 PM
    Tom, yes my drain is vented through the roof. But at this point I'm washing my hands like Pilate because I'm too confused about how my drain can go "up" to a vent and still go "down" to the main drain. Hope I don't dream about this! Glad you are back and well, your input is always valued. Brian
    shulta44's Avatar
    shulta44 Posts: 97, Reputation: 4
    Junior Member
    		  
    #24

    Oct 15, 2011, 06:09 AM
    Much appreciated Mark. Tom Thanks.
    Shulta44
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #25

    Oct 15, 2011, 07:44 AM
    Hey Ma0641,
    how my drain can go "up" to a vent and still go "down" to the main drain.
    Look at it this way. Your lavatory drains into a trap and into a sanitary tee in the wall. From the tee down 6the discharge goes into the drain line and into the main.
    However, from the tee up through the roof the pipe's dry and turns into the vent. So you have one pipe doing two functions, drain and vent. Things any clearer now? Cheers, Tom
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #26

    Oct 15, 2011, 07:57 AM
    Just pulling your leg, or do you pull plumbers pipes? Yes, a wet vent works for me!
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #27

    Oct 15, 2011, 08:03 AM
    Hi all..

    Here you go Shulta. Hopefully, this will all make sense... see drawing below (you may need to click on the image to enlarge it).



    Mark
    Attached Images
     
    shulta44's Avatar
    shulta44 Posts: 97, Reputation: 4
    Junior Member
    		  
    #28

    Oct 15, 2011, 04:57 PM
    Thanks Mark. That works great. Thanks for your time. Thanks to everyone.
    Shulta
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #29

    Oct 15, 2011, 05:47 PM
    Glad to help!
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #30

    Oct 15, 2011, 06:28 PM
    Now that is how to plumb a bathroom using wet venting. Picture perfect. Wish they could all lay out that easy.:)
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