Experience endless hot water with the Rinnai 160 tankless water heater, perfect for efficient home heating needs.
The Rinnai 160 tankless water heater series offers reliable solutions for homeowners seeking efficient hot water. The Rinnai RX160iN provides up to 9 GPM with smart technology, while the Rinnai RE160iN delivers robust performance at 6.6 GPM. Both models ensure consistent hot water supply, making them ideal for busy households.
These versatile water heaters cater to various needs, whether you require indoor or outdoor installation. The Rinnai REP160iP features a built-in recirculation pump, enhancing convenience and efficiency. Each model is designed to optimize energy use, providing significant savings on utility bills.
In this review, we’ll delve into the features and benefits of the Rinnai 160 series. You’ll learn how these innovative heaters can transform your hot water experience and meet your household demands efficiently.


Rinnai RX160iN Tankless Water Heater
The adjustable valve sets the Rinnai RX160iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater apart from its competitors. With dimensions of 14.5 x 24 x 10 inches and constructed from 316-grade stainless steel, this unit is designed to resist corrosion while providing durability and longevity. It delivers up to 9 GPM, efficiently servicing multiple fixtures simultaneously, with a powerful output of 160,000 BTU.
Key Advantages
- The Smart Sense gas control system optimizes fuel consumption, ensuring high efficiency with a UEF of .97, making it an excellent choice for energy-conscious users.
Limitations
- Not compatible with standard venting systems, requiring the RX-OVC vent cap for outdoor installation, which may limit installation options for some users.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the Rinnai RX160iN is ideal for those who require consistent hot water for various applications, from residential to recreational use. Its compact design allows for versatile placement, whether indoors or outdoors, making it a practical choice for modern living.
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Rinnai RE160iN Natural Gas Tankless Water Heater
The adjustable valve sets the Rinnai RE160iN Non-Condensing Natural Gas Tankless Water Heater apart from competitors. This compact unit measures just 14.5 x 18.5 x 26 inches and is constructed from 316-grade stainless steel, ensuring durability and resistance to corrosion. With a maximum output of 160,000 BTU and a flow rate of up to 6.6 GPM, it efficiently delivers hot water for multiple fixtures simultaneously.
Key Advantages
- The smart design of this heater only heats water when necessary, conserving energy and reducing operational costs.
- Its LED screen provides service reminders and error codes, facilitating maintenance and troubleshooting.
- Includes a 15-year guarantee for the heat exchanger, along with a 5-year labor and 1-year parts warranty, underscoring its reliability.
Limitations
- Not compatible with certain older plumbing systems, which may require additional modifications for installation.
- WiFi control is available via the Controlr module, but this is sold separately, adding to the overall cost.
The Rinnai RE160iN is best for outdoor enthusiasts needing a reliable, energy-efficient hot water solution for their homes or recreational setups. Its advanced features make it ideal for those who prioritize performance and durability in their water heating systems.
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Rinnai REP160iP Tankless Water Heater 160,000 BTU
The Smart-Circ Intelligent Recirculation feature sets the Rinnai REP160iP Smart-Circ Non-Condensing Propane Tankless Water Heater apart from its competitors. This innovative technology learns your water usage patterns and schedules the recirculation pump accordingly, ensuring energy efficiency and a consistent supply of hot water. Constructed from 316-grade stainless steel, this unit resists corrosion and enhances durability. With dimensions of 14.5 x 18.5 x 26 inches, it is compact enough to fit in tight spaces while providing up to 6.6 GPM, accommodating multiple fixtures simultaneously.
Key Advantages
- The high BTU output of 160,000 ensures rapid heating, ideal for larger households.
Limitations
- Not compatible with certain older plumbing systems, which may require additional modifications.
Best for outdoor enthusiasts needing a reliable hot water solution that offers both efficiency and convenience. This tankless water heater is perfect for those who value space-saving designs without compromising on performance. Its professional installation recommendation ensures optimal setup, making it a smart choice for homeowners looking to upgrade their hot water systems.
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Rinnai RUR160eN Tankless Water Heater
The adjustable valve sets the Rinnai RUR160eN Condensing Tankless Hot Water Heater apart from its competitors. This innovative feature allows for precise control over water flow and temperature, ensuring optimal performance tailored to user needs. Constructed from 316-grade stainless steel, this unit is designed to resist corrosion, enhancing its durability. With dimensions of 26.5 x 18.5 x 10.0 inches, it is compact enough for outdoor installation, making it a versatile choice for various settings.
Key Advantages
- The unit boasts an impressive 9 GPM hot water flow rate, providing a powerful and constant stream, ideal for simultaneous use across multiple fixtures.
- Its ThermaCirc360 technology ensures instant heating, featuring a built-in recirculation pump, timer, and thermal bypass valve, which is particularly beneficial for homes lacking a dedicated return line.
- With a robust warranty structure, including a 15-year warranty for the heat exchanger, users can trust in its longevity and reliability.
Limitations
- This model is not compatible with certain older plumbing systems, which may require additional modifications for installation.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the Rinnai RUR160eN excels in performance while maintaining a space-saving design.
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Rinnai RX199iN Tankless Water Heater
The adjustable valve sets the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater apart from its competitors. This innovative feature allows users to customize the water flow and temperature with precision, ensuring optimal comfort. Constructed from 316-grade stainless steel, it resists corrosion and enhances durability. With dimensions of 14.5 x 18.5 x 27 inches, this compact unit fits seamlessly into various spaces, whether installed indoors or outdoors.
Key Advantages
- The Smart Sense gas control system enables compatibility with both natural gas and propane, providing versatility for different setups.
- With a maximum output of 199,000 BTUs and a flow rate of up to 11.1 GPM, it can support multiple fixtures simultaneously, making it ideal for larger households.
- The energy efficiency factor of UEF .98 signifies minimal energy waste, contributing to lower utility bills.
Limitations
- Not compatible with standard tank water heaters, limiting its use in retrofitting existing systems.
- Professional installation is recommended, which may add to upfront costs.
Best for outdoor enthusiasts needing a reliable, efficient hot water solution, the Rinnai RX199iN is an excellent choice for those seeking performance and flexibility in their hot water systems.
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Faq about Rinnai 160 Tankless Water Heater:
1: What is the Rinnai 160 tankless water heater?
The Rinnai 160 is a high-efficiency, on-demand water heater that provides hot water without the need for a storage tank.
2: How does the Rinnai 160 work?
This unit heats water directly as it flows through the system, ensuring a continuous supply of hot water whenever needed.
3: What are the key features of the Rinnai 160?
Key features include energy efficiency, compact design, remote control options, and the ability to serve multiple outlets simultaneously.
4: What is the energy efficiency rating?
The Rinnai 160 boasts an energy factor (EF) rating of up to 0.95, making it one of the most efficient options available.
5: How much hot water can it provide?
This model can deliver up to 7.5 gallons per minute, depending on the temperature rise and incoming water temperature.
6: Is installation complicated?
Installation requires professional expertise, particularly for gas connections and venting, to ensure safety and compliance with local codes.
7: What is the warranty period?
Rinnai typically offers a 12-year warranty on the heat exchanger and a 5-year warranty on parts, providing peace of mind for users.
Conclusion
The Rinnai RX160iN Tankless Water Heater exemplifies cutting-edge technology, providing instantaneous hot water with remarkable energy efficiency, ideal for modern households seeking sustainability. Its compact design and advanced features offer unparalleled convenience and reliability.
Conversely, the Rinnai RE160iN Natural Gas model stands out for its robust performance and cost-effectiveness, catering to traditional energy preferences while ensuring consistent hot water supply. Both products underscore Rinnai’s commitment to innovation and quality, making them exceptional choices for discerning consumers.





