The 1/2" (12mm) copper tubing on the inside unit is short. If you are going to come out on the right side, be sure you measure the wall thickness. On the cinder block wall, the fitting extended 2" out.Not enough to bend down at 90 degrees.And it is not 1/2" it is 12mm. I have to cut the copper tube back far enough to put on a flare fitting. Finding a 12mm to 1/2' flare fitting is a real challenge.
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