What's a kegerator, you ask? Why a keg and refrigerator built in one. This short instructional video shows how to find the hot line for the compressor in a home-made keferator. Mount the tap by aligning over the hole and screw it down to the plywood underneath. Carbon dioxide lines run out a hole in the back. Watch this video tutorial and learn how to build a kegerator, keg refrigerator, for your beer out of a Sanyo 4912 fridge.