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Thread: New one to me

  1. #1
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    Default New one to me

    Anyone seen one of these before? I haven't.

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  2. #2
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    Default Re: New one to me

    I guessing they use it to drain the water line for the Winter without using a bucket?

    Dom.


  3. #3
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    Default Re: New one to me

    I like that one. MAkes sense. Any other ideas out there?


  4. #4
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    Default Re: New one to me

    Was there a trap just below?


  5. #5
    Mike Huppi's Avatar
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    Default Re: New one to me

    If thats the case wouldn't you need a back flow valve on the line.


  6. #6
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    Default Re: New one to me

    No, No trap below.


  7. #7
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    Default Re: New one to me

    Major, major cross connection.

    Great potential for contamination of the potable water supply.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  8. #8
    James Duffin's Avatar
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    Default Re: New one to me

    What are the two 3/4' pipes feeding above?


  9. #9
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    Default Re: New one to me

    The cross contamination was what I picked up on. But I do have a question about it. That looks like a disconnect at the potable source. If the two were connected only during the time of draining the lines and if the bib had a backflow prevention device on it, would it still be a cross contamination circumstance?

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  10. #10
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    Default Re: New one to me

    Thom,

    I my opinion, yes.

    The blue (PEX?) line from the DWV WILL BE contaminated *all the time* from bacteria entering from the waste connection.

    That puts the contaminated water right up there at the hose bibb.

    If you look closely, you will see two hose bibbs and one line, which means that that 'draining line' is to be moved from hose bibb to hose bibb, you know, so they can make sure they contaminate BOTH potable water lines.

    I don't see any backflow preventer either.

    For something like that, you would need a major multiple purpose backflow preventer - did you go to the Watts site and order those DVDs? If so, watch the one of Backflow Prevention, if not order them and then watch it.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  11. #11
    James Duffin's Avatar
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    Default Re: New one to me

    An indirect waste connection may be another option...like on a reverse osmosis system. No backflow device needed as long as there is an air gap..


  12. #12
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    Default Re: New one to me

    Quote Originally Posted by James Duffin View Post
    No backflow device needed as long as there is an air gap..
    Which in and of itself is a backflow prevention device. But not all cross connections are allowed to use air gaps as air gaps are not always reliable for the prevention of a cross connection.

    Contamination can cross the air gap, spillage, splashing, evaporation, a number of different reasons, including backpressure (in this case, an air gap could overflow if the DWV line clogged and backed up).

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  13. #13
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    Default Re: New one to me

    They are ordered now.

    As I said, I would have called out the cross contamination risk. I just wondered if there was a way to use the idea without cross contaminating.

    The only reason some people get lost in thought is because it's unfamiliar territory.
    - Paul Fix

  14. #14
    James Duffin's Avatar
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    Default Re: New one to me

    This simple 1/4" darin hose could dump into an air gap without a RPZ device I believe. Please share with us your acceptable connection.


  15. #15
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    Default Re: New one to me

    Quote Originally Posted by Jerry Peck View Post
    For something like that, you would need a major multiple purpose backflow preventer - did you go to the Watts site and order those DVDs? If so, watch the one of Backflow Prevention, if not order them and then watch it.
    I got them last night and watched them tonight. The one on scalding should be watched by everyone on the planet.

    The only reason some people get lost in thought is because it's unfamiliar territory.
    - Paul Fix

  16. #16
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    Default Re: New one to me

    Jerry,

    I must have missed the post about the Watts DVD. I went to their site and was unable to find the link. Can you help?

    Thanks

    Department of Redundancy Department
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  17. #17
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    Default Re: New one to me

    The only reason some people get lost in thought is because it's unfamiliar territory.
    - Paul Fix

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