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Return line 1 pipe heating system

Niss3zx
Niss3zx Member Posts: 10
edited September 2023 in Gas Heating
As my current basement boiler return line piping is cast iron. Would anyone suggest replacement using copper?

Comments

  • Jamie Hall
    Jamie Hall Member Posts: 24,876
    Copper is OK below the water line.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England