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Seeing into the LL all the way from the cond unit  to the TXV would be cool. Like a glass LL. The next best thing is the Electronic SightGlass ! See that SC go by? Just right! The TXV needs a full LL no matter what!.Use this tool along with the SC of the cond unit.


  • TonyS
    TonyS Member Posts: 849
    Had one for many years

    use to use it alot looking for splashback on fixed orifice units. Works well but I just haven't used it much lately...better dig it out and check the batteries lol