A.O. Smith has redesigned its line of commercial electric water heaters, including the Gold, Gold Xi and Custom Xi series. The Gold Series now ships standard with gold elements, along with a new door design for improved element access. Advanced electronic control is standard on the Gold Xi Series, which is available in 50-, 80- and 119-gallon tanks. The Custom Xi (DSE) series comes in 10 tank sizes from 5 to 119 gallons and meets any special need or design specification.