Enjoy an endless supply of hot water with the SENSEI™ RU199iN Super High Efficiency Plus condensing tankless water heater from Rinnai. Only the size of a small suitcase, the natural gas RU199iN model is compact, easy-to-install and perfect for indoor locations.

• ENERGY STAR® Qualified with an Energy Factor of 0.96 / Uniform Energy Factor of 0.93
• 15,000 BTU (Minimum) / 199,000 BTU (Maximum)