I bought a larger Brute (10-gallon) container to store my RO/DI water downstairs and decided to install a float valve (so I wouldn't have to worry about it overflowing, should I forget about it).
NOTE: In the video, I mentioned the check valve being needed in case the "power" goes out. (I was thinking of what a check valve is for when you use one with an air pump.) Ha ha! An RO/DI system doesn't use electrical power --- the check valve, apparently, is so that the "auto shut-off" will work in the float valve system. My bad.
