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  1. #1

    Buderus G334x vs GB142

    Hi,

    Thanks for any advice you can offer.

    I am replacing an oil boiler with a natural gas boiler for heat and hot water.

    A reliable installer did a heat loss and suggested the Buderus models listed above.

    The install will be in the northeast US, cast iron radiator system in 90 yo home.

    Few questions:

    Should I be concerned about the durability of the aluminum exchanger in the GB142? I have read about water/contaminants in old systems fouling the aluminum.

    I believe the installer plans the hot water to come real time off the boiler. We have 3 1/2 baths, with three teenagers. Should I install a hot water holding tank fed by the Buderus?


    Thanks for any insight,

    Ray

  2. #2
    Join Date
    Mar 2004
    Location
    Grottoes VA
    Posts
    5,856
    Yes you need an indirect tank with the GB142.

    The GB142 was first installed in 1983 in Germany, they have had few issues. You do need to have it cleaned every year.
    Karst means cave. So, I search for caves.

  3. #3
    Quote Originally Posted by karsthuntr View Post
    Yes you need an indirect tank with the GB142.

    The GB142 was first installed in 1983 in Germany, they have had few issues. You do need to have it cleaned every year.


    Thanks Karsthuntr,

    I will need to find out about the cleaning!

    Ray

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