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Thread: Schedule 30 for toilet drain?

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  1. #1
    DIY Member mar3232's Avatar
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    Default Schedule 30 for toilet drain?

    may not want to hear the answer on this because I already ran about 16 feet of it in my crawl space but double checking.

    used that 3" PVC pipe that has the thinner wall (also a "flange" at one end where you can put 10' pieces together).

    have a nice slope and it drains very well (water anyway).

    the guy at Home Depot said I can use it for a toilet drain -- is he right ? !

    thinking about it now, I wonder if you have to use the thicker schedule 40 instead?

    actually, I do plan on using sched 40 from the toilet and then about 6 feet later, coupling to the sched 30, and doinf the same on the other end that ties to the main drain.

  2. #2
    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Why would you even consider using it? The difference in cost is close to nothing. How can Home Depot allow such unqualified people to represent them?

    John

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    In the Trades mtcummins's Avatar
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    ABSOLUTELY rip all of that out and put in 40. Its not legal, not going to last, etc. That stuff is made for drainage water outside, not household waste. And its a PITA to convert back and forth between them too.

    Every once in a while you'll get a good employee at HD. They're usually the old guys, a retired plumber that needs something to do or some similar situation. If they're 30 and working at HD, there's a reason. If they knew what the hell they were doing, they'd be out doing it, not making $8/hr at Home Cheapo.

    Seriously, if you have a question when you're there, be obnoxious and ask the other customers... you know, the ones in overalls with a plumbing company name on the patch. I know I'm gonna be hated by all the other plumbers on here for suggesting such a thing, but you help people here, might as well try to save people from themselves (and the HD employees) there too. Of course most of you pros probably never shop at HD, but I do see some in there from time to time. And when I see a particularly confused shopper, I try to help out if I have a minute. Pay it forward

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    DIY Senior Member Chad Schloss's Avatar
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    It is legal here in Michigan. Our 2006 home used it along with Sched. 40. Would I change it over if I could? sure. This is made for household use, I have looked it up before. Genova i think is the manufacturer, or at least some of the fittings.

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    In the Trades mtcummins's Avatar
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    It MAY be legal in your area, depending on what code you use, etc. I can't really comment on that. I know that it is NOT legal where I live.

    Either way, you're in the early stages, do it right. Once its all done, you've chained yourself to an inferior product. And who wants inferior products when it comes to getting waste out of your house? Its just not worth it.

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    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Quote Originally Posted by Chad Schloss View Post
    It is legal here in Michigan. Our 2006 home used it along with Sched. 40. Would I change it over if I could? sure. This is made for household use, I have looked it up before. Genova i think is the manufacturer, or at least some of the fittings.
    Here is a PDF of the Michigan code. Sch 30 is not allowed.
    http://ia600308.us.archive.org/26/it...i_plumbing.pdf

    John

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    DIY Senior Member Chad Schloss's Avatar
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    funny, it passed inspection in 2006 when it was built. it is sold at the big box stores locally and the pipe is labeled DWV ASTM-2949 i think
    EDIT: It's allowed per your .PDF under table 702.3

    Last edited by Chad Schloss; 02-19-2013 at 02:02 PM.

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