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Thread: copper on stainless

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  1. #1

    Default copper on stainless

    I am installing a steam generator for a new steam shower. The steam outlet is 3/4 stainless npt. I want to pipe the steam in with 3/4 copper. Can I put a copper fitting onto the stainless with out creating a problem with dissimilar metals? Please advise.

    Thanks in advance, JMO

  2. #2
    Consultant cwhyu2's Avatar
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    Aug 2007
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    Cincinnati OH
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    Default

    yes but elctrolisis can still cause the copper to have build up.If just steam
    I wouldnt worry.

  3. #3
    In the Trades kordts's Avatar
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    Oct 2005
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    exurban Chicago
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    Copper and stainless will not cause galvanic reaction. It's my preferred method of joining copper to galvanised. I use stainless as my dielectric connection.

  4. #4

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    Thanks to both of you for your input. It looks like I may go with a copper union to make future service on the generator easier.

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