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  1. #1

    American Standard Nomenclature help

    Deciding on a replacement 2 Ton Heat Pump system & trying to make sense of the #'s.

    In the Heritage 20's want to know difference between 4A7Z0024 and the 4A6Z0024?

    Benefit over a Heritage 16 model 4A5H6024A?

    For the Air Handler I'm thinking 4TEE3D31 which would allow me to add the AccuClean later if I choose?

    thanks,

    Location Dallas

  2. #2
    Join Date
    Jun 2008
    Location
    Cincinnati, Ohio
    Posts
    2,176
    4TEE air handler already has the AccuClean integrated into it.

    Difference between the Heritage 20 HP models is one has a variable speed condenser fan motor, and the other is single-speed.

  3. #3
    Guess I am really having trouble making sense of the website.

    It says that a 4TEE3F31 has intergrated interior AccuClean filtering. So I was guessing it was an option for the exterior of a 3D31?

    When you go to Specs for Heritage 20's in 2 tons it only list the 4A6Z0024.
    No mention of the 4A7Z0024 & what the difference may be.

    I understand the 16 & 20 models have different SEER ratings.

  4. #4
    Join Date
    Jun 2008
    Location
    Cincinnati, Ohio
    Posts
    2,176
    They're not gonna show everything on the site. Elsewise no one would call their contractor.

  5. #5
    Ah, 4A7Z is a condensor & not a HP.
    Last edited by damon54; 09-18-2009 at 06:49 PM.

  6. #6
    Join Date
    Jun 2003
    Location
    Hell Hole Swamp
    Posts
    4,180
    4TEE3D has the AccuClean

    4TEE3F does not

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