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    REEFER-TEK's Avatar
    REEFER-TEK Guest

    Re: Thermo King Refrigerant Help!

    [quote=jingua_ph;85132]Yes, the old URD III uses R-502 and the recent one uses R-404a. However, The Japanese URD III models made between 1991 and 1995 uses R403b.

    Oh yes i remember R403b the 69L. Tk expeirmented with that, it was not a sucsees due to its flamabilty. that was not a japanese thing. They tried that in several trailer units as well, we converted them all to R-402a (HP80). 69L That is a difficult refrigerant to find and purchase.

    My advise remains the same, You should convert that sytem to R-402a.

    Regards Reefer-Tek
    Last edited by REEFER-TEK; 03-12-2007 at 05:30 AM.

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