Stiebel Eltron Tempra 15 Plus Electric Tankless Water Heater, 208/240 VoltsThe Tempra Plus is the most technologically advanced tankless water heater available on the market today Tempra series has been redesigned completely inside and out - upgraded heavy-duty electronics, a simple single flow sensor design, a hinged cover for easy access, and Advanced Flow Control for the Tempra Plus. Welcome to the next generation of German quality Tempra has several advantages over a gas-type tankless water heater. Compared to many similar gas tankless models the Tempra is less expensive to purchase. Installation is also much simpler and cheaper since it is not necessary to vent a Tempra to the outsidebel Eltron Tempra 15 Plus Electric Tankless Water Heater, 208/240 Volts Specifications: Voltage: 240 Wattage: 14.4 Amperage: 2x30 Min. required circuit breaker size: 2x40 Recommended wire size: 2 x 8 Maximum temp. increase: 65 Weight: 15.4 Width: 16 5/8 Height: 14 1/2 Depth: 4 5/8 Working pressure: 150 PSI