Dielectic union between brass and black pipe

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by xjmllc, Oct 8, 2007.

  1. xjmllc

    xjmllc New Member

    Messages:
    17
    Location:
    Cleveland, O
    How important is it?

    I'm installing a new boiler with existing black pipe. I will have brass valves (3) and brass taco air separator.

    Are the dielectric unions necessary? Is this a BIG deal?

    Thanks,
    XM
  2. BAPlumber

    BAPlumber Plumber

    Messages:
    227
    Location:
    Vashon, Washington
    dielectric unions are not necessary between brass and Iron pipe.
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