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Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, 199,000 BTU, 9.8 GPM On-Demand Hot Water, Indoor Whole House Installation

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Product description

  • Energy Efficient On-Demand Performance. Non-condensing natural gas tankless water heater heats water only when needed, reducing standby energy loss compared to traditional tank water heaters. Compact, space-saving wall-mounted design features an LED display with diagnostic codes and service reminders for easier maintenance and long-term reliability.
  • Endless Hot Water – Up to 9.8 GPM, 199,000 BTU. High-performance 199,000 BTU gas tankless water heater delivers up to 9.8 gallons per minute, supporting multiple fixtures at once—ideal for whole house use including showers, laundry, dishwasher, and large households. Reliable indoor on-demand hot water without a bulky storage tank.
  • Durable Construction with Industry-Leading Warranty. Built for residential performance, this indoor natural gas tankless hot water heater includes a 15-year limited warranty on the heat exchanger, 5-year on parts, and 1-year on labor. Compatible with Rinnai Controlr module (sold separately) for WiFi monitoring and smart home integration. For built-in recirculation, see REP199iN model.
  • Indoor Installation – Professional Setup Recommended. Designed for indoor installation with proper venting. Professional installation by a qualified technician is recommended to ensure safe gas line connection, code compliance, optimal performance, and full warranty protection.
  • Right Size for Your Home & Climate. Use Rinnai sizing guides, groundwater temperature maps, and product manuals to determine the best whole home tankless water heater for your region. Engineered for dependable residential hot water performance across varying climate conditions.

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