Bradford White’s ElectriFlex HD is a field-convertible commercial electric water heater that is ETL certified. The unit is offered in 12 different convertible wattages from 6kW to 54kW and six different convertible voltages including 208V, 240V, 277 V, 380V, 480V and 600V. The ElectriFlex is available in 50-, 80- and 119-gal. options.