Stiebel Eltron Tempra 24 Plus Electric Tankless Water Heater, 208/240 Volts The Tempra Plus is the most technologically advanced tankless water heater available on the market today. The 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. The Stiebel Eltron Tempra 24 Plus Electric Tankless Water Heater is designed to replace a conventional tank with no inconvenience to the users hot water needs. The water heater reduces the eletric bill and saves energy on average of 15%-20% kWH compared to a conventional tank water heater. With the dial at the users fingertips the hot water temperature can be adjusted at anytime, and the unit takes up much less space than a tank water heater. The 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 outside. Stiebel Eltron Tempra 24 Plus Electric Tankless Water Heater, 208/240 Volts Specifications: Voltage: 240 Wattage: 24 Amperage: 2x50 Min. required circuit breaker size: double pole 2x60 Recommended wire size: 2 x 6 Maximum temp. increase: 92 Weight: 15.4 Width: 16 5/8 Height: 14 1/2 Depth: 4 5/8 Working pressure: 150 PSI