Replacing iron pipes with copper?

[Deleted User]

I live in an old house built in 1823. Originally it was heated with 4 fireplaces. Somewhere in the last century a one pipe steam system was installed. The system is begining to show it's age. The two mains in the basement have been patched over the years in almost a dozen places to stop leaks.

My question is this. Can I replace the old 2 inch iron mains with new 2 inch copper and leave the risers iron? If so, is there a specific type/spec of copper pipe I should use for steam?

I would rather sweat the joints than try to redo the system in iron. Any help would be appreciated.

Mike

Mark Eatherton1

You could...

but its not advisable. You'd be light years ahead to replace the iron with iron. Hire a pro to do it right. If you hook a copper system up to your cast iron radiators and boiler, the cast irons going to lose the disimilar battle.

Stick with proven technology. You pay more for it, but there's a reason. It lasts longer.

Per TACO, "Do it right, do it once."

Your call.

ME


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