Originally Posted By: sprkplug
When cold weather arrives you could try unhooking the line at the compressor and adding some RV antifreeze. Unlike alcohol it's non-toxic, easy to obtain, and will not attack plastic and/or rubber lines.


I guess I didn't understand the technique - I took this to mean - "shut down for the winter and put in antifreeze". Not "put it in to absorb the water and keep running the system". I will pour some in and see if that cures it.

I will also look into the freeze control system.

Thanks!