Experience unmatched performance and reliability with the Rinnai RE Series 9.8 GPM Indoor Natural Gas Tankless Water Heater (RE199IN) — the perfect replacement for the V94IN model. Designed for efficiency, safety, and long-lasting comfort, this compact unit delivers powerful water heating while saving energy and space.

The RE199IN features a clean internal layout, LED display, and programmable service reminders for hassle-free operation. Its copper heat exchanger ensures durability and rapid heating performance, making it ideal for residential or light commercial use.

Key Features:

• High Flow Rate: Delivers up to 9.8 gallons per minute (GPM) for continuous hot water.
• Energy Efficient: 0.82 Uniform Energy Factor for lower operating costs.
• Smart Monitoring: Built-in LED screen and programmable service reminders simplify maintenance.
• Durable Build: Compact copper heat exchanger enhances heat transfer and longevity.
• Optional Accessories: Leak Detection Kit, Freeze Protection, and Mounting Bracket (sold separately).
• Safe & Convenient: Includes safety handle and seating bracket for secure installation.
• Compact Design: Perfect for indoor installation with space-saving dimensions.
  

What’s Included

• Rinnai RE Series 9.8 GPM Indoor NCTWH Unit (RE199IN)
• Installation and operation manual
• Mounting hardware kit

Note: Isolation Valve Kit (Model: MIVK-T-LW) and optional accessories sold separately.

Specifications:

Care & Maintenance Instructions

• Regular Inspection: Check air intake, vent, and burner components every 6 months for obstructions or debris.
• Flush the System: Perform descaling at least once a year to prevent mineral buildup.
• Monitor Error Codes: Use the LED screen for diagnostics and follow Rinnai’s maintenance guide.
• Protect from Freezing: If used in colder areas, consider adding the optional freeze protection kit.
• Professional Servicing: Always use a certified Rinnai technician for annual servicing and repairs.