Rinnai RX199IN 199K BTU Tankless Water Heater 11.1 GPM Silver Condensing

The SENSEI™ RX199iN Tankless Water Heater redefines home comfort with industry-leading efficiency and versatility. Engineered for modern households, this high-performance unit delivers 199,000 BTUs of power while achieving an exceptional 0.98 UEF rating—among the highest in its class—making it an eco-friendly choice for reducing energy costs. Compatible with both propane and natural gas without requiring a conversion kit, it offers unmatched fuel flexibility for seamless installation in any home setup.

Designed for effortless integration, this indoor/outdoor-ready heater features 2” venting capable of reaching up to 75 feet, simplifying installations even in challenging spaces. Its Smart Sense Gas Valve Technology automatically detects fuel type, eliminating manual adjustments and saving time during setup. For added convenience, the Smart Circ™ system learns your household’s hot water usage patterns to optimize performance and reduce wait times—a game-changer for families or homes with multiple bathrooms.

Connectivity takes center stage with Bluetooth-enabled Smart Connect technology, allowing users to monitor and manage their system via the Rinnai Central App on their smartphone. This smart functionality streamlines setup, registration, and maintenance while offering peace of mind through real-time insights.

Backed by Energy Star 5.0 certification and a robust 11.1 GPM flow rate—ideal for simultaneous demand from showers or appliances—the RX199iN balances power with precision. With optional Versa-Vent Cap compatibility (sold separately) for outdoor installations and field-convertible recirculation options, it adapts to any layout while maintaining reliability.

Enhance your investment further by registering the unit online to unlock an extended 4-year labor warranty coverage. Whether you’re upgrading for energy savings or seeking a durable solution for your home’s hot water needs, the SENSEI™ RX199iN combines cutting-edge innovation with proven performance to deliver endless hot water efficiently and intelligently.