Well Bravo! That spiral design is really ingenious. I managed to bother Danny about running a couple of them side-by-side on a massively large cold plate, because I believe that the spiral design is superior. He told me to wait for the next one... (TC-4?).
I have another idea, similar to what I've seen you discuss: a 3/8 or 1/2" center barb surrounded by a 1 3/4 barb. I just don't know how I'd put in the thread for the large barb. Any ideas?
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