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  1. 05-26-2012, 07:45 AM #1
    t720
    t720 is offline New Guest
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    404a in a 408 system

    A friend of mine just charged 404 into a system that had no nameplate and was going on info that was provided to him by a worker at the store he was at. it now appears that it may have been a 408 system. Question is, will 404 work with ab oil?
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  2. 05-26-2012, 08:16 AM #2
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    2sac
    2sac is offline Professional Member
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    No.
    Mo and AB will not work with hfc blends
    Local 597 Service Fitter
    Metal Trade Journeyman

    PAY ME NOW OR PAY ME LATER

    It was working when I left...
    WWFD
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  3. 05-26-2012, 08:53 AM #3
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    coolperfect
    coolperfect is offline Professional Member*
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    Just because they are only 4 numbers away from each other,does not mean they are almost the same!
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  4. 05-26-2012, 02:23 PM #4
    t720
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    good,that's what I told him, and advised him to pull the charge and replace with 408. I am not a low temp man but I knew there would be some at this site.
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