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  1. 10-06-2012, 03:10 PM #1
    gregerator
    gregerator is offline New Guest
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    Adding R12 to 401A?

    I have a commercial1 door freezer that has 401A in it and needs a charge. Can I add R12?
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  2. 10-06-2012, 04:00 PM #2
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    Tommy knocker
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    Why would you do that? If its flat then yes you could put 12 in it. After fixing leak, replacing drier, pulling good vaccume, and checking TXV if it has one. I would not do it myself though. Assuming it was originally an R12 unit anyway, so near end of its life cycle. Put the 401a back in and recommend they start budgeting for replacement.
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  3. 10-06-2012, 07:03 PM #3
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    baub
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    In the first place, you shouldn't have 401A in a freezer. It's a replacement for medium temp R-12. You should use 401-B. This will give you proper performance in a low temp application.
    Experience is what you have an hour after you need it.
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  4. 10-06-2012, 07:26 PM #4
    vzenuh
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    wow, who has r12 laying around anymore?
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  5. 10-25-2012, 11:20 PM #5
    54885488
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    I wish i had a bunch of r-12 .
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  6. 10-26-2012, 12:42 AM #6
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    2sac
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    Quote Originally Posted by 54885488 View Post
    I wish i had a bunch of r-12 .
    Why?
    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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  7. 10-26-2012, 01:33 AM #7
    dan wong
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    Quote Originally Posted by 54885488 View Post
    I wish i had a bunch of r-12 .
    I have full jug, I am retiring. no longer needed, My email in my profile.
    Decide what you want, decide what you are willing to exchange for it. Establish your priorities and go to work." H.L. Hunt

    "In order that people may be happy in their work, these three things are needed: They must be fit for it. They must not do too much of it. And they must have a sense of success in it." John uskin
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  8. 10-26-2012, 09:35 AM #8
    54885488
    54885488 is offline Professional Member
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    Quote Originally Posted by dan wong View Post
    I have full jug, I am retiring. no longer needed, My email in my profile.
    Not looking to buy any , i just meant if i had some i would use it . Thanks though .
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  9. 10-26-2012, 08:44 PM #9
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    primmers
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    i buy and use r-12, its now cheaper than 401a..
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