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  • Mar 27, 2009, 06:19 PM
    rodlee
    Dielectric unions
    About how long will a dielectric union last before the brass and copper eat each other up and leak?
  • Mar 27, 2009, 07:37 PM
    afaroo

    Dielectric union will last for ever have not heard any one leaking, Thanks.

    John

    Installing A Dielectric Union To Join Galvanized And Copper Pipes - Plumbing System Components
  • Mar 28, 2009, 12:37 PM
    ballengerb1

    I agree with John, the brass and copper do not touch and are separated by a plastic collar. I have never had one fail, yet. Are you tansitioning from galvanized to copper or what?
  • Mar 28, 2009, 01:22 PM
    rodlee
    Yes it galvanized to copper on a hot water heater

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