Rinnai America Corporation

Discover the SENSEI® RX Series—the pinnacle of tankless water heating. With an industry-leading 0.98 UEF, it delivers endless hot water while maximizing energy savings. Designed for modern living, the RX Series reduces SKUs by 4:1, simplifying inventory with flexible natural or propane gas options for indoor and outdoor installs. Featuring Smart Connect™ for faster setup and Smart Sense™ adaptive gas valve technology, it offers unmatched performance, convenience, and reliability—redefining efficiency in home comfort.