Frustrated with limited hot water? The Rinnai tankless water heater delivers endless comfort in no time.
Discover the **Rinnai RX199iN**, perfect for *high-demand households needing reliable hot water*. This innovative condensing water heater provides up to 11.1 GPM, ensuring your family never runs out of hot water.
Plus, its *compact design* allows for flexible indoor or outdoor installation, saving valuable space in your home.
We tested durability, ease of use, and more to ensure you get the best performance.


Rinnai RX199iN Tankless Water Heater
The Rinnai RX199iN Condensing Smart Sense Tankless Water Heater is engineered to provide an endless supply of hot water, making it ideal for homeowners seeking efficiency and convenience. This product targets households that require high-volume hot water, such as those with multiple bathrooms or fixtures in use simultaneously. With dimensions comparable to a small suitcase, it can fit in tight spaces, and its sleek design is available in a neutral color that blends seamlessly with any decor.
Key specifications include a maximum flow rate of up to 11.1 gallons per minute (GPM) and a powerful heating capacity of 199,000 BTUs. The Rinnai RX199iN operates on either natural gas or propane, providing flexibility for various installation needs. Its compact size and advanced technology ensure that it not only saves space but also energy, making it a smart choice for eco-conscious users.
This tankless water heater effectively addresses the common problem of running out of hot water, especially during peak usage times. Its Smart Sense gas control system optimizes performance, enhancing user experience by delivering hot water on demand.
Pros
- Endless hot water supply, accommodating multiple fixtures at once.
- High energy efficiency with a UEF of .98, reducing energy costs.
- Compact design saves space, ideal for smaller homes.
- Versatile installation options for both indoor and outdoor use.
- Quick Flush feature simplifies maintenance and upkeep.
Cons
- Professional installation is recommended, adding to overall costs.
- WiFi control module sold separately, requiring additional investment.
- Initial price may be higher compared to traditional water heaters.
In terms of performance, the Rinnai RX199iN stands out with its modern interface and energy-efficient design. It is best suited for families or individuals who frequently use hot water for showers, laundry, and dishwashing. While the requirement for professional installation may deter some DIY enthusiasts, the long-term benefits of efficiency and reliability far outweigh this minor drawback.
In summary, the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater is an excellent investment for those seeking a reliable and efficient hot water solution. Its ideal user is a homeowner looking to maximize comfort and minimize energy costs, making it a top choice in the tankless water heater market.
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Rinnai CXP199iN Tankless Water Heater 11 GPM
The Rinnai CXP199iN High Efficiency Plus Natural Gas Interior Tankless Water Heater is designed to provide an endless supply of hot water, ideal for homeowners seeking efficient and reliable heating solutions. This model is particularly suited for medium to large households and commercial settings due to its impressive capacity of 11 gallons per minute (GPM). With a sleek design available in neutral tones, it seamlessly integrates into various home aesthetics while utilizing durable materials for longevity.
This tankless water heater addresses common issues such as fluctuating water temperatures and limited hot water supply. Its 97% thermal efficiency significantly reduces energy costs, making it an economical choice for users concerned about their utility bills.
Pros
- Exceptional energy efficiency lowers operational costs.
- Smart-Circ technology simplifies installation and optimizes hot water delivery.
- Smart Connect app allows for easy monitoring and management.
- Quick Flush system makes maintenance straightforward.
Cons
- Professional installation is recommended, which may increase initial costs.
- Requires specific venting components for outdoor installation.
The performance of the Rinnai CXP199iN stands out due to its ability to learn hot water usage patterns within a week, ensuring that users have access to hot water exactly when they need it. This feature not only enhances convenience but also contributes to energy savings. The Smart Connect app provides an added layer of usability, allowing users to troubleshoot and manage their water heater from their smartphones.
This tankless water heater is best suited for families or businesses that require a constant supply of hot water without the bulk of traditional storage tanks. However, potential buyers should consider the need for professional installation and the specific venting requirements, which may pose a limitation for some users.
In summary, the Rinnai CXP199iN offers excellent value for those seeking an efficient, high-capacity water heating solution. Its advanced features and energy efficiency make it an ideal choice for larger households or commercial applications.
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Rinnai V53DeP Outdoor Propane Water Heater
The Rinnai V53DeP Propane Tankless Water Heater is designed to provide endless hot water for households with high demand. Ideal for families and individuals who prioritize efficiency and convenience, this unit boasts a remarkable flow rate of 5.3 GPM, making it perfect for multiple simultaneous uses, such as showers, washing machines, and dishwashers. With its compact outdoor installation design, it fits seamlessly into tight spaces, ensuring you never run out of hot water.
This tankless water heater features a sleek design, typically available in a neutral color that blends well with outdoor settings. Constructed with durable materials, it is built to withstand various weather conditions while delivering consistent hot water performance. The energy-efficient operation heats water on demand, which not only conserves energy but also extends the unit’s lifespan through advanced scale detection features.
Pros
- Endless hot water supply, ideal for busy households.
- Energy-efficient design reduces utility bills.
- Compact size allows for installation in limited spaces.
- Durable construction ensures long-lasting performance.
- Robust warranty coverage provides peace of mind.
Cons
- Professional installation is recommended, adding to initial costs.
- May require specific venting requirements for outdoor installation.
The Rinnai V53DeP stands out for its energy efficiency and compact design, making it a reliable choice for anyone needing hot water on demand. Its performance is particularly impressive in real-world scenarios, where users can run multiple appliances without a drop in temperature. While it is best suited for those who can invest in professional installation, the benefits far outweigh the initial setup costs. This unit is a perfect fit for families or individuals who value convenience and sustainability in their daily lives.
In summary, the Rinnai V53DeP Propane Tankless Water Heater is an excellent choice for those seeking an efficient, reliable, and space-saving solution for their hot water needs.
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Rinnai RE140iP Propane Tankless Water Heater
The Rinnai RE140iP Non-Condensing Propane Tankless Water Heater is designed to provide an endless supply of hot water, ideal for homeowners seeking energy-efficient solutions. With a compact size comparable to a small suitcase, this unit delivers an impressive flow rate of up to 5.3 GPM, accommodating multiple fixtures simultaneously. Its sleek design and advanced features make it perfect for residential use, especially in smaller homes or apartments where space is at a premium.
This tankless water heater boasts key specifications, including a powerful 140,000 BTU output, ensuring that you never run out of hot water during peak usage times. The unit’s smart design not only enhances installation efficiency but also promotes energy conservation by heating water only when needed. Its LED screen provides service reminders and error codes, simplifying maintenance and troubleshooting for users.
Pros
- Provides an endless supply of hot water, ideal for busy households.
- Compact size allows for flexible installation in tight spaces.
- Energy-efficient operation reduces utility bills.
- Durable construction with a comprehensive warranty (15 years for the heat exchanger).
Cons
- Professional installation is recommended, adding to initial costs.
- WiFi control module sold separately, limiting smart home integration.
The Rinnai RE140iP excels in performance, with its ability to supply hot water on demand, making it a standout choice for families or individuals who require consistent hot water access. Its durable materials ensure long-lasting use, while the compact design fits easily into various home layouts. However, potential users should be aware of the need for professional installation, which can be an added expense.
This product is best suited for homeowners prioritizing energy efficiency and reliability in their hot water systems. Overall, the Rinnai RE140iP Non-Condensing Propane Tankless Water Heater represents excellent value for those seeking a high-performance, reliable solution for their hot water needs.
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Rinnai REP199iN Tankless Water Heater 199,000 BTU
The Rinnai REP199iN Smart-Circ Non-Condensing Natural Gas Tankless Water Heater is designed to provide a continuous supply of hot water, making it ideal for homeowners seeking efficiency and convenience. This compact unit, roughly the size of a small suitcase, is perfect for indoor installation and can deliver up to 7.9 gallons per minute (GPM), accommodating multiple fixtures simultaneously. With a powerful output of 199,000 BTU, it meets the demands of larger households or those with high hot water usage.
This water heater features Smart-Circ intelligent recirculation technology, which learns your water usage patterns and optimizes the recirculation schedule, enhancing energy efficiency. Its durable design ensures it fits a variety of spaces, while the included warranties (15-year for the heat exchanger, and 5-year for labor and parts) provide peace of mind for users.
Pros
- Smart-Circ technology optimizes hot water availability and energy efficiency.
- Compact size allows for flexible installation in various spaces.
- High output of up to 7.9 GPM supports multiple fixtures simultaneously.
- Durable construction with extensive warranties enhances reliability.
Cons
- Professional installation is recommended, which may increase initial costs.
- WiFi control requires an additional module, not included with purchase.
- Non-condensing model might not be as efficient as condensing alternatives.
In terms of performance, the Rinnai REP199iN excels in providing consistent hot water on demand, making it an excellent choice for families or individuals who prioritize comfort and efficiency. Its standout feature, the Smart-Circ technology, ensures that users never run out of hot water, addressing a common pain point in traditional water heating systems. However, potential buyers should consider the need for professional installation and the additional cost of WiFi control if desired.
This tankless water heater is best suited for homeowners looking for a reliable and efficient hot water solution. With its compact design and advanced features, the Rinnai REP199iN offers significant value for those ready to upgrade their home’s hot water system.
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Faq about best rinnai tankless water heater rur199en:
1: What is the Rinnai RUR199EN?
The Rinnai RUR199EN is a high-efficiency tankless water heater designed for residential use, offering continuous hot water and energy savings.
2: What are the key features of the Rinnai RUR199EN?
This model features a dual venting system, Wi-Fi connectivity, and a compact design, making it suitable for various installation spaces.
3: How much hot water can the RUR199EN provide?
The RUR199EN can deliver up to 199,000 BTUs, providing enough hot water for multiple fixtures simultaneously.
4: Is the Rinnai RUR199EN energy efficient?
Yes, it has an Energy Factor (EF) of 0.93, making it highly efficient and potentially lowering utility bills.
5: What is the warranty on the RUR199EN?
The Rinnai RUR199EN comes with a 12-year warranty on the heat exchanger and a 5-year warranty on parts.
6: How is the installation process?
Installation should be done by a licensed professional, ensuring compliance with local codes and optimal performance.
7: Can the RUR199EN be used in cold climates?
Yes, it is designed to operate efficiently in cold climates, with freeze protection features included.
Conclusion
Both the Rinnai RX199iN and CXP199iN exemplify the pinnacle of efficiency and performance in tankless water heating solutions. The RX199iN, with its exceptional flow rate and compact design, caters to those seeking reliability and versatility, making it ideal for diverse household needs.
Conversely, the CXP199iN stands out with its impressive 11 GPM capacity, ensuring simultaneous hot water supply for larger households. Together, these models epitomize innovation and sustainability, offering discerning consumers unparalleled hot water solutions tailored to modern lifestyles.





