American Standard Water Heaters’ residential electric water heaters are available in 30-, 40- and 50-gal., capacities and in short and tall configurations. The water heaters feature fully automatic surface-mount thermostats and are non-CFC foam-insulated. Listed to UL 174, the water heaters comply with NAECA, ANSI and energy-efficiency requirements as well as Department of Energy test procedures. Dual screw-in heating elements help conserve energy by direct heat transfer. Homeowners have a choice of a six- or 12-year limited tank and component parts warranty.