This product comes standard as a 240V model. This product is also available in 120V, 208V, 277V, 480V. Please call customer service if you require one of these non-standard voltages.

DOE—All residential storage models above 20 gallon capacity meet or exceed efficiency requirements of the Department of Energy, ASHRAE Standard 90.1 b (current standard) and the National Appliance Energy Conservation Act of 1987 recent amendment effective April 16, 2015 which supercedes all state and local efficiency requirements.