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  1. 28-10-2007, 11:52 AM #1
    birdseed's Avatar
    birdseed Guest

    Replace R22 with Isceon 29

    Hi folks,
    This is my first post. Have 3-off Dunham-Bush Big 4 chillers running on R22.
    Has anyone out there used this new "drop-in" replacement gas yet ???
    It seems it will be ok with existing mineral oil in compressors....is this true ?
    Incidentally, some of the compressors are 25 years old.
    Last edited by birdseed; 28-10-2007 at 03:07 PM. Reason: additional info
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