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dielectric union options

Post in 'The Boiler Room - Wood Boilers and Furnaces' started by afblue, Sep 8, 2011.

  1. afblue New Member

    joined: Sep 1, 2009
    278 posts
    Buffalo, NY
    Working out my Paxo, thermal storage, injection mixing radiant loop system design. The boiler and 140 boiler valve are threaded steel, cast iron pumps and copper distribution. With proper placment, can I use brass circulator pump flanges as a dielectric point, and not have to add dielectric unions?
    afblue, Sep 8, 2011
    #1

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  2. nt30410 Member

    joined: Dec 13, 2007
    16 posts
    New Brunswick Canada
    Yes, brass pump flanges or brass valves will work ok.
    nt30410, Sep 19, 2011
    #2

  3. goosegunner Minister of Fire

    joined: Oct 15, 2009
    1,079 posts
    WI
    I am working on the same situation.

    Is it recommended to place brace between black pipe or cast fittings on the boiler before you switch to copper?

    What about connections to tank, Should there be a brass between the tank and the copper?


    gg
    goosegunner, Sep 19, 2011
    #3

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