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  1. #1
    Join Date
    Apr 2005
    Posts
    22
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    I bought two 4 ton 16 seer 410a systems, each for a different customer. Why does the heat pump have an internally equalize TXV and the strait A/C have an externally equalize TXV? Any coil with a pressure drop and or a distributer should have a external TXV...Correct??

  2. #2
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    15,540
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    Never seen an internally equalized TXV on residential HVAC equipment. What brand?

  3. #3
    Join Date
    Apr 2004
    Posts
    7,680
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    If you were adding a TXV, yes you would be correct, but I suspect the mfg considered the pressure drop when they set the TXV up in the first place to take that into account.

  4. #4
    Join Date
    Apr 2005
    Posts
    22
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    Thread Starter
    The brand is Westinghouse/nordyne

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