Have you seen this type of pipe before!?

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Doherty Plumbing

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Hey guys,

I was called out to a house to add a zone off the boiler loop for a new bedroom. At first glance I thought I was dealing with copper. As soon as I started to shine up the "copper" so I could cut it and solder on a new fitting I noticed that the "copper" was shining up silver!

I asked around town a bit and couldn't find anyone that has seen or heard of this type of piping before. Instead of trying to explain it in great detail I have included pictures. In one of the pictures it looks like a 1.25" Cu X Male fitting has been soldered on.

Being heating season I don't want to cut this piping until I know exactly what it is and how I can attach new fittings on to it!

Thank you to anyone who can help!

Thanks,

Rob
 

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JohnjH2o1

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Yes I have it was used during the war when copper wasn't readily available. I believe it is copper plated steel. It's a real b***h to solder it tends to burn. If you do try to solder to it use 50/50 solder I don't think that the pipe could take the heat required with today's lead free solder.

John
 

hj

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BundyWeld was one brand of CTS steel tubing used for heating in the 50's. When new, it had tinned coating so you could solder to it, but I am not sure what your chances are after this long a time.
 

Jimbo

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wow. Not too many places you could go and find TWO people who knew about that stuff!!
Kudos to johnj and hj.
 

JohnjH2o1

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I hate to say it jimbo but all it shows is are age.

John
 
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