On CNBC's “Mad Money Lightning Round,” Jim Cramer recommended staying long on Watts Water Technologies, Inc. (NYSE: WTS).Lending support to his choice, Watts Water, on Aug. 6, reported quarterly earnings of $3.09 per share. It beat the analyst consensus estimate of$2.63 per share. “I think [Watts Water] is exactly the type of thing you don’t want to trade it,” Cramer said. “You want to own it. It’s just a great American manufacturer.” The North Andover, Massachusetts-based company reported quarterly sales ...