While every Stiebel Eltron model delivers superior performance, the Tempra® Plus series represents the industry’s high-point of tankless water heater innovation. Manufactured by Stiebel Eltron, a pioneer and leader in tankless water heating technology for over 90 years, the Tempra® Plus line features our unique Advanced Flow Control™ function, which ensures that you’ll never be surprised by a cold shower. It also features two different temperature memory presets, making it easy to adjust for personalized needs. Thanks to these and other innovations, the Tempra® Plus ensures that you’ll enjoy endless hot water along with unrivaled efficiency.