Rinnai SE+ Series with Smart-Circ™ 11 GPM Indoor Condensing Tankless Water Heater with Recirculation, NG
The Rinnai SE+ Series tankless water heater with Smart-Circ™ technology is a high-efficiency indoor condensing unit that provides hot water on demand. It has a flow rate of 11 gallons per minute (GPM), making it suitable for larger residential or small commercial applications.
One of the critical features of the SE+ Series is its Smart-Circ™ technology, which allows the water to be continuously circulated through the system to ensure a steady hot water supply. This not only helps to reduce wait times for hot water but also helps to conserve energy by reducing the amount of time the unit has to run to heat the water.
The SE+ Series is fueled by natural gas (NG) and has a high thermal efficiency rating, making it an energy-efficient choice for hot water. It also has a compact design, making it easy to install in various locations.
Overall, the Rinnai SE+ Series with Smart-Circ™ technology is reliable and efficient for providing hot water on demand.
Features
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Smart-Circ™ Intelligent Recirculation™
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Concentric Vent or 2-Inch Exhaust
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2-Inch Intake Vent Connections
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Fiber Mesh Premix Burner
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Integrated Check Valve
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Turbo Fan
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Switching Venturi
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Zero Governor Gas Valve
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Simplified Recirculation Operation
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Primary and Secondary Stainless Steel Heat Exchangers
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Multi-Speed DC Pump
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Low Flow Activation Logic
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Will Service 3 - 6 Bathrooms Simultaneously
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199,000 BTUs
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Hot Water Capacity Range: 0.26 GPM to 11 GPM
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0.93 Uniform Energy Factor
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Dimensions: 14.6" x 33.1" x 21.7"
Specification
| Fuel Type |
Natural Gas |
| Color/Finish |
Silver |
| Indoor/Outdoor |
Outdoor |
| Size |
3+ Bathrooms |
| Vent Type |
Condensing |
What Our Experts Think
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Premium 11 GPM indoor tankless water heater, ideal for large households with heavy hot water demand.
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Runs on natural gas (NG) with Smart-Circ™ intelligent recirculation, providing hot water faster and reducing waste.
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Advanced condensing technology ensures high efficiency and lower utility costs.
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Compact, wall-mounted design frees space while delivering reliable performance.
Q&A
Q: What is the flow rate of this unit?
A: The RSC199iN delivers up to 11 gallons per minute, enough for multiple showers and appliances at once.
Q: Does it have recirculation technology?
A: Yes, it features Smart-Circ™ recirculation, which learns your usage patterns for on-demand hot water.
Q: Is this model for indoor or outdoor use?
A: The RSC199iN is designed for indoor installation.
Q: What type of fuel does it use?
A: It operates on natural gas (NG).
Maintenance Tips
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Flush the system annually to prevent mineral buildup.
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Inspect venting and gas connections regularly.
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Use a water softener in hard water regions for longer lifespan.
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Keep installation space clean, dry, and well-ventilated.
