Stiebel Eltron Tempra Plus 36 kW, tankless electric water heater with Self-Modulating Power Technology & Advanced Flow Control,Stiebel Eltron,Tempra 36 Plus" /> Digital temperature control Proven reliability. No venting required. DRAWS 150 A. Requires minimum 300 A electric service. Dimensions (H x W x D): 14.52" x 16.54" x 4.61" Sleek design fits anywhere Save at least 15-20% on the hot water portion of your electric bill.Requires 240 or 208-Volt. Reduce water flow rate until power light on front cover stops blinking