Enjoy an endless supply of hot water with the RUC98iN, one of our most efficient condensing natural gas tankless water heaters from Rinnai. Only the size of a small suitcase, the RUC98iN is compact, easy-to-install and perfect for indoor locations.
Save time with hot water whenever and wherever you need it, any size home, even for simultaneous uses at multiple fixtures
Maximum output, minimum space. Suitable for installation in non-traditional spaces such as crawl spaces and attics
ENERGY STAR® Qualified with an Energy Factor of 0.95 / Uniform Energy Factor of 0.92
Equipped with Rinnai Circ-Logic™ - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
Temperature lock function prevents accidental or unauthorized changes to water temperature