is a diaelecrtic union required when going from black pipe to stainless pipe

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rsorenson

Jun 20, 2012, 11:28 AM

is a diaelectric union required when piping from black iron to stainless pipe

massplumber2008

Jun 20, 2012, 04:05 PM

Check out this thread and decide for yourself...;)

http://www.askmehelpdesk.com/plumbing/joining-black-steel-stainless-dielectric-union-182952.html

Be sure to read the entire thread, OK?

Mark

ma0641

Jun 20, 2012, 04:30 PM

No, they are not dissimilar metals ..SS, depending on the alloy contains a variety of other metals. What are you using, 308,314?