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dielectric union options

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

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  1. afblue

    afblue Feeling the Heat

    Joined:
    Sep 1, 2009
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    Loc:
    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?

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  2. nt30410

    nt30410 Member

    Joined:
    Dec 13, 2007
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    Loc:
    New Brunswick Canada
    Yes, brass pump flanges or brass valves will work ok.
  3. goosegunner

    goosegunner Minister of Fire

    Joined:
    Oct 15, 2009
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    1,289
    Loc:
    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
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