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Thread: CSST to copper

  1. #1
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    Default CSST to copper

    CSST today, new home. Can we use this copper pipe in ths way? Yes we can. What about ground to manifold. Yes we need one.

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  2. #2
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    Default Re: CSST to copper

    Is that a plastic manifold? If so, each CSST would need its own ground bond. If the manifold is metal, and the copper is bonded, then no bond is needed at the manifold.

    Those look like those pre-soldered fittings which are slipped together and then heated. Are they approved for use with gas?

    Not all copper is approved for use with gas, and not with all types of gas.

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

  3. #3
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    Default Re: CSST to copper

    No Jerry, Iron manifold, couldn't tell if the meter was grounded. Couldn't get to it. Storage. Called it as check by installing plumber.
    Copper pipes are crimped which is allowed although the first time I have seen it used for gas application.


  4. #4
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    Default Re: CSST to copper

    I don't know if it's just the colors in the picture, but, that appears to be "white" teflon tape used on those threads.
    "White" teflon tape is not allowed for gas connections.
    Don't ask me why or where it is specifically prhibited by any regulatng agency, but, I do remember the packaging specifically stating that it is not to be used for gas applications.

    Critical Home Inspection Services
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  5. #5
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    Default Re: CSST to copper

    Here are some varieties of Teflon pipe sealant tape: Adhesives > Thread and Gasket Sealants > Pipe Sealant Tape : Grainger Industrial Supply

    It's not the color, but what it is rated for.

    Quite probably, 'seeing yellow' means that there is no mistaking non-rated tape for that use, however, it may also be possible that there is a non-yellow tape rated for that use - "possible" - I tried searching the Dupont site got some page errors, but mostly information which was not linked to anything to check further???? Not real helpful for a web site from such a large company.

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

  6. #6
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    Default Re: CSST to copper

    wayne,
    fittings are "viega" pro press brand. they also make pex tubing. they have to be marked for gas application. they are solderless crimped fittings.


  7. #7
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    Default Re: CSST to copper

    Thanks Brian, good info!!Marked meaning a stamp on the pipe? or a tag indicating it is being used as a gas line to prevent the three stooges from cutting it?


  8. #8
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    Default Re: CSST to copper

    wayne
    gas is marked with a yellow spot.


  9. #9
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    Default Re: CSST to copper

    This is off topic, but when I read "to prevent the three stooges from cutting it", I gotta tell this story.
    I was remodeling a house I bought. 3 guys working for me, I had to go out of town for a few days. When I returned I found that they had connected the water (galv being replaced with copper) to the gas pipe (black). You can only imagine my reaction. Talk about 3 stooges.

    ' correct a wise man and you gain a friend... correct a fool and he'll bloody your nose'.

  10. #10
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    Default Re: CSST to copper

    Thanks Brian, that spot would be applied by the plumber as a visual aid. correct?


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