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FREE ,FREE, NO CHARGE ,Schrader Tee.
to the first 10 tech's that post a picture ,here on the wall, of an installed Schrader T that is installed just before the TXV along with two pressure readings. One press reading will be from the cond unit and the 2nd press reading will be from the installed Schrader T at the AHU. Send me your address and I will send you a free 3/8 solder type Schrader T . Oh yea, the liquid line has to have at least a 20' vertical rise.
Paul S , you get a Schrader T even if you are #11 or higher.