Commercial electric water-heater, tank protected with double glass coating of “Rheemglass”, designed for high temperature 82 °C (180 °F) maximum, and rigidly supported anode rods. Tank shall be fully insulated with 63.5 mm R-16 “R-Foam” insulation with R-16 insulating factor. Screw-in immersion heating elements, surface mounted thermostat, thermal cut-out and manual reset, connections 38 mm Ø. Factory installed pressure and temperature relief valve, capacities 6 to 54 kW, 208, 240 and 600V, 3 ph. Available in 190, 321 and 454L.