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Copper to galvanized

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Alan_6
Alan_6 Member Posts: 87
in THE MAIN WALL
I ran across a boiler-baseboard application today. All the baseboard and fittings are copper, all the piping appears to be a galvanized. The piping is all fitted into copper fittings, and appears to be sweated with 50/50 (lead/tin) solder. The system was installed in 1962. One of the fittings on the return manifold is leaking from the sweat joint. Would a silver bearing solder, stick to these materials, if it were clean?

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  • Alan_6
    Alan_6 Member Posts: 87
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    piping materials

  • Ray Landry
    Ray Landry Member Posts: 203
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    I think I've sweated copperxrheemed adapters onto galvanized nipples before.. used silver creek solder and made sure my flux worked on galvanized (Read the back)
  • Ray Landry
    Ray Landry Member Posts: 203
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    I think I've sweated copper x rheemed adapters onto galvanized nipples before.. used silver creek solder and made sure my flux worked on galvanized (Read the back)
  • Unknown
    Unknown
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    Is it Bundy tubing ?

    We see that sometimes around here , mainly 3/8 rigid , home run from each radiator to the boiler . It looks like galvanized piping . If it's Bundy , it can soldered like regular copper .

    Heres a pic with Bundy tube .
  • Alan_6
    Alan_6 Member Posts: 87
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    bundy tubing

    The tubing is the same size as 1/2" copper, 5/8 O.D., and is rigid like L or M copper. I scraped the tubing, it was a galvanized color, like sheet metal. Is there any stampings that identify this tubing as bundy tubing?
  • Unknown
    Unknown
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    I never looked

    for stampings or lettering on Bundy tubing . I know it's very thin , like DWV copper , and I've seen it in 3/4 , 1/2 , 3/8 and 1/4 . Solder takes to the tubing just like copper .
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