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* Copyright 2023 Rinnai America Corporation. Rinnai and Creating a healthier way of living are registered trademarks of Rinnai Corporation used under license by Rinnai America Corporation. Demand Duo, DuoSmart, SENSEI, ThermaCirc 360, Every. Detail. Matters., control•r, and Smart-Circ Intelligent Recirculation, Tankless Truths, and Tankless Truth are the trademarks of Rinnai America Corporation.