Rinnai RE199iN 199,000 BTU Indoor Non-Condensing Natural Gas Tankless Water Heater

Rinnai RE199iN Indoor Natural Gas Tankless Water Heater (199,000 BTU)

The Rinnai RE199iN is a high-capacity indoor non-condensing tankless water heater designed to deliver continuous, on-demand hot water using natural gas. With a powerful 199,000 BTU (199 MBH) input, this unit is ideal for larger homes and residential applications with high simultaneous hot water demand.

Key features

• Indoor installation for protected placement and clean appearance.
• Natural gas operation with dependable tankless performance.
• 199,000 BTU (199 MBH) maximum input.
• Non-condensing design for straightforward service and operation.
• Compact footprint compared to traditional tank-style water heaters.

Specifications

• Model: RE199iN
• Fuel type: Natural Gas (NG)
• Installation location: Indoor
• Type: Non-Condensing Tankless Water Heater
• Max input: 199,000 BTU (199 MBH)

Ideal applications

• Larger residential homes with multiple bathrooms
• Indoor tankless water heater replacements
• Homes running several fixtures simultaneously

Before purchasing

• Confirm gas line sizing and indoor venting requirements.
• Actual hot water output depends on incoming water temperature and usage.
• Professional installation is strongly recommended.

Need help selecting the right unit? Contact us with your location, fixture count, and usage needs and we’ll help ensure proper sizing.