"ECOSMART" SMALL ELECTRIC TANKLESS WATER HEATER *Installed Dimensions (HxLxW) 12.9" x 9.9" x 6.5" *11.8 kilowatts *Elements 2 x 6 kilowatts at 208V *Required breaker 60 double pole *Required wire 6 AWG *54/57 amperage draw *Volts/single phase: 220/240 *HZ 50/60 *Pipe fitting: 1/2" compression union *Tubing: stainless steel *Maximim setting 140 degrees F *Activation flow .25 GPM *Energy efficiency: 99.8 *Certifications: UL/CSA *Limited lifetime warranty