The most technologically advanced tankless water heater on the market today, the Tempra boasts Advanced Flow Control technology that automatically adjusts the flow of water to eliminate unpleasant temperature fluctuation, giving you a consistently satisfying experience each and every time no matter how great the hot water demand! Activated by a minimum 0.87 GPM flow rate, the Tempra 29 Plus features an ergonomic control knob that allows you to adjust the water temperature from 86 to 140 degrees Fahrenheit, and a crystal clear digital display that allows for simple monitoring.This energy-efficient unit works as a 2-in-1 model that can use 28.8 kW of power with 240V service and 21.6 kW of power with 208V service to heat the water as it flows through the machine for complete elimination of standby heat loss. The item "STIEBEL ELTRON TEMPRA 12 Electric Tankless Water Heater" is in sale since Tuesday, August 7, 2018. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Water Heaters\Tankless Water Heaters". The seller is "calderyanie_0" and is located in Miami, Florida. This item can be shipped to United States.