A.O. Smith Corp. has acquired an Appleton-based water treatment company for $107 million in cash, the Milwaukee water technology company announced Monday. A.O. Smith (NYSE: AOS) purchased Water-Right Inc., a water quality products provider, and all of its subsidiaries, real estate and a sister company, Mineral-Right Inc., which is based in Phillipsburg, Kansas. Water-Right, a supplier of residential and commercial water treatment products, including systems for problem well-water, has approximately...