Instructions - Glycol Chiller Adapter (GCA) Kit Instructions - Glycol Chiller Adapter Kit.pdf 1 MB Download Flip* through the instructions or Download PDFs from the flipbooks below, or at the bottom of the article, for the GCA instructions. *Expand to full screen for easy reading Related articles Quick Start Guide - Glycol Chiller Adapter (GCA) Kit Instructions - GC2 How warm/cold can the GC4 Glycol Chiller get other fermenters? Instructions G70² My G40 sight glass doesn't always show the same measurement or appears to be off by a little bit - is something wrong with it?