Seems like this thread is veering a little off-course, but that is an awesome idea. If the float were attached to a magnet in some manner, one could also use that to hold it in place with a strong external magnet. Then the float wouldn't bang around while flipping the keg to purge any excess...
Thanks for this info. Do you happen to know the height if you stacked two of the regular 2.5 gallon kegs? It looks like the bottom nests slightly, just trying to figure out if it is enough to fit in my kegerator as a stack or not. I.e. (14.62*2 =29.24") is a little too high but if it nests in a...