I'm sure it's working out fine but one thing I think is odd to me is that you put the cooler in the middle. Well, no, I understand it. Most people think in terms of process or how the liquid flows... HLT to MLT to BK but they don't have to be in that order on the stand. It just seems that two high, then one low would keep the stand easier to build, stronger, and then the cooler wouldn't be subjected to heat on both sides. Just food for thought for anyone looking to clone the idea.
I'd also put a short run of silicone tubing between the MLT output and the pump but that's just me. I'd hate to have to undo two unions every brew day.
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