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Thread: T shaped drain on bathroom sink?

  1. #1
    DIY Junior Member dono's Avatar
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    Default T shaped drain on bathroom sink?

    Hi,

    I am pretty new to this stuff but I have unclogged a couple P drains in my time. I am attempting to replace my bathroom sink but I couldn't find a pipe fitting at Home Depot that looks like the following :

    http://i.imgur.com/dNPvU.jpg

    Everything I saw at home depot was just straight through. I think this is just overflow in case the adjacent guest bathroom on the other side of the wall gets clogged or something.

    Anyway, any opinions or guidance would help? Do I need to go to a plumbing supply house for this. Home Depot is really the only "big" place within 20 miles of me.

    Thanks!
    --Don

  2. #2
    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    The fitting is called a dishwasher tee. Can't see were the hose is coming from.

    John

  3. #3
    DIY Junior Member dono's Avatar
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    Thanks.

    How weird. No dishwasher in my bathroom . I would have to make measurements for sure, but the only thing I can figure is that it also goes to the adjacent bathroom in case that drain were blocked?

  4. #4
    TROJAN WORLDWIDE SALES RP MACPLUMB 777's Avatar
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    wrong it comes from your A/C overflow

    MACPLUMB 777

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    35 YEAR MASTER PLUMBER, HEATING, ELECTRIC, DRAINS, FIRE SPRINKLERS, WATER HEATER
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  5. #5
    DIY Junior Member dono's Avatar
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    Yep I went to a more informed plumbing supply only place that knew more than home depot, showed them my disassembled plumbing and the guy immediately identified it as AC overflow, and helped me find it. Home depot and lowes didn't seem to have the 5/8" size that I needed. I'm going back to the new place when I get to replacing my second sink and a couple of other odds and ends, they really seem to know what they're talking about.

  6. #6
    Moderator & Master Plumber hj's Avatar
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    The picture is huge and limited in scope, but they make a chrome branch tee that screws into the sink fitting, and replaces the metal part above your tee fitting, IF the hose is high enough in the wall to drain into it. The hose is usually 3/4" i.d.
    Licensed residential and commercial plumber

  7. #7
    DIY Junior Member dono's Avatar
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    I figured it out after MACPLUMB777 said "A/C overflow" I went to a plumbing supply house and they knew exactly what I needed unlike the Home Depot people who said they'd never seen anything like that and I'm pretty sure they didn't have it either, I went through the whole 1 1/2" PVC section multiple times. And yeah I saw both 3/4" and 5/8" sizes for the tee. It's all together now and working just fine. Thanks for the responses.

  8. #8
    Moderator & Master Plumber hj's Avatar
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    Your problem was that you were looking in the 1 1/2" section, instead of the 1 1/4" area.
    Licensed residential and commercial plumber

  9. #9
    DIY Senior Member bluebinky's Avatar
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    By AC overflow, I hope everyone means AC drain. The overflow should terminate in a conspicuous place like over a window or next to an exterior door so you'll notice it.

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