Elements - Zinc plated copper sheaths for longer life. Medium watt density means lower surface temperature to minimize scale build-up and more surface to heat water. Element sizes from 1.5 to 6 kW. maximum input 12 kW
Glasslined Tank - Thirteen sizes; 6 thru 119 gal capacity. Tank interior is coated with glass specially designed for commercial water heater use
Standard Voltages - 120, 277 single-phase and 208, 240 and 480 V unbalanced three-phase delta; easily converted to single-phase at terminal block (except 208 V with 6000 W elements). single-element heater, single-phase only
Terminal Block - Factory-installed. Just bring the service to heater and connect to block. Terminal block not supplied on 120 V and 277 V models. (no junction box on 6-20)
