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*** Besides refrigeration, what solutions
*** are available to minimize water in the air lines?

1. Slant all piping back towards the compressor.
2. Use hairpins for the drops - meaning, go up about
6 inches, around and then down to the drop.

This photo shows a "hairpin" in my shop.
The main line is 1.5" reduced down to 1" with a reducing T fitting,
then reduced down again to 3/4" for the drop.
We use tape and pipe joint compound on all joints
as a double whammy against leaks.

Jeff Jewitt

Don Weisman submits: