Our proprietary Smart-Circ™ technology ensures never having to wait for hot water and is one of the many reasons why installers, contractors and builders, Rely on Rinnai. Rinnai’s new and improved Sensei™ tankless water heaters with Smart-Circ™ Intelligent Recirculation™ has vertically integrated components paired with the most advanced recirculation technology that delivers superior water heating performance. Follow us to learn more as we do a deep dive into the smart components of Sensei™. #hv