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  1. #14
    Join Date
    Aug 2010
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    1,732
    How serious is fractionation issue with 404A vs 410A?

  2. #15
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    24,933

  3. #16
    Join Date
    Nov 2007
    Location
    Mississippi
    Posts
    1,205
    Is fractionation ever an issue? I have yet to see a unit diagnosed as fractionated refrigerant. But I don't know what the symptoms would be either.

  4. #17
    Join Date
    Jan 2010
    Posts
    5,812
    Quote Originally Posted by ICanHas View Post
    How serious is fractionation issue with 404A vs 410A?
    Glide for R404a <1.1*F
    Glide for R410a .3*F
    Not much

  5. #18
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    24,933
    Quote Originally Posted by socotech View Post
    Is fractionation ever an issue? I have yet to see a unit diagnosed as fractionated refrigerant. But I don't know what the symptoms would be either.
    I don't believe that field instruments are accurate enough to diagnose fractionation in low glide refrigerants.

  6. #19
    Join Date
    Aug 2010
    Posts
    1,732
    So, what's with the requirement to charge 410A as liquid and what about the older jugs of 410A that came with dip tube installed?

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