Hot Water Boiler, electric, single, automatic, 15 gallon, on/off switch, insulated side & top, top mounted controls, drain valve, faucet guard protector, controlled refill to maintain consistent temperature out of the faucet no matter how full the boiler, stainless steel construction, 2 x 3.0kW heater, 120/208-240v, 1-ph, 3+G wires, 22.0 - 25.4 max amp draw, 4.6 - 6.1kW, terminal block, 11.0 - 15.0 gallons per hour, UL, cUL, NSF