I was planing on using your design, but after going to Home Depot, Lowe's and Ace Hardware i could not find 3/8 Tee let alone 3/8 to 1/2 Tee. Plus 2 feet of 3/8 copper for the "in" was $8.
So I decided to use a coupler at the bottom of the chiller to connect both copper tubes. One side in and...