Compression Ring Over Silver Solder

Discussion in 'Toilet Forum discussions' started by dw85745, Jul 5, 2014.

  1. dw85745

    dw85745 Member

    Messages:
    71
    Location:
    Arizona
    I have a case where the 1/2 copper supply line is somewhat short coming out of the wall and currently has a cap on it. I planned to remove the cap and put a compression stop value on the end, but raised a question in my mind whether the compression ring would seal properly over the silver solder (naturally the pipe will be wiped as clean as possible to remove any excess solder).

    Question: Will a compression fitting work in this case?
  2. Terry

    Terry Administrator Staff Member

    Messages:
    14,790
    Location:
    Bothell, Washington
    The tin solder if smooth will be fine with compression.
    Most new solder is 95 percent tin.
    Solder from the 70's and older may be 50% tin and 50% lead.
  3. dw85745

    dw85745 Member

    Messages:
    71
    Location:
    Arizona
    Thanks for feedback Terry.
    Was concerned the solder would be to hard for the ring to "dig" in properly.
  4. johnjh2o1

    johnjh2o1 Plumbing Contractor for 49 years

    Messages:
    1,142
    Location:
    South*East
    I think that's what terry said.
  5. dw85745

    dw85745 Member

    Messages:
    71
    Location:
    Arizona
    Worked without a problem.
  6. wjcandee

    wjcandee Wise One

    Messages:
    1,770
    Location:
    New York, NY
    Fantastic! Congratulations on getting it done.
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