I just hard plumbed my system and no longer need these. I have a total of 30 to Camlock Type E 1/2" barb fittings to sell. I would like $4 a piece. Here is some more info:
http://www.austinhomebrew.com/Beer/Camlocks/Camlock-QD-Type-E.html#.VP3rDPl4q-0
Just finished mine up, thanks for the great DIY. Here are a few photos of it complete. I added a couple led strips to mine so the inside of the case will light up blue if cooling or red if heating.
Is there any reason why you couldn't just place a bucket filled with your glycol solution and pump inside a mini fridge and then only control when the pump comes on and off?
Yup, Login is messed up. I'm logging in incorrectly as Dave O'brien. I would like to take this opportunity to congratulate him on his scoring a 35 on his american IPA.