Transform your hot water experience with the Rheem gas tankless water heater, offering endless hot water efficiently.
The Rheem gas tankless water heater is a professional choice for homeowners seeking reliable and efficient hot water solutions. Notable models like the Rheem RRTGH84DVLN3701171 provide 8.4 GPM and 157,000 BTU, ensuring ample hot water for large households. The stainless steel design enhances durability, making it a long-term investment.
These heaters are perfect for various applications, from residential use to commercial settings. With features like high efficiency and compact size, the Rheem RTG-95DVLN-3 and Rheem RTG-70DVLN-3 cater to different needs while maintaining optimal performance.
In this review, you’ll learn about the key features, benefits, and comparisons of these versatile models, helping you make an informed decision for your hot water requirements.


Rheem RTGH 8.4 GPM Gas Water Heater
The Rheem RRTGH84DVLN3701171 Rheem RTGH Series is designed to provide an efficient and reliable hot water solution for residential use. Ideal for families and households that require a consistent supply of hot water, this tankless water heater boasts a flow rate of up to 8.4 GPM, ensuring that multiple outlets can be used simultaneously without a drop in temperature. With dimensions of 17-11/16 inches in width and constructed from durable stainless steel, this unit not only fits seamlessly into various spaces but also promises longevity and resilience.
This Rheem tankless water heater addresses the common issue of running out of hot water in traditional tank systems, making it perfect for larger families or those with high hot water demands. The adjustable temperature settings range from 100°F to 140°F, allowing users to customize their hot water experience to meet specific needs.
Pros
- High flow rate of 8.4 GPM, suitable for multiple simultaneous uses.
- Durable stainless steel construction ensures longevity.
- Energy-efficient design reduces utility bills compared to traditional heaters.
- Easy installation with electric ignition feature.
- Comprehensive warranty coverage: 1 year labor, 15 years for the heat exchanger, and 5 years for parts.
Cons
- Higher initial cost compared to conventional tank water heaters.
- Requires professional installation, which may add to the overall expense.
- Limited to natural gas, which may not be suitable for all homes.
The Rheem RRTGH84DVLN3701171 excels in performance with its rapid heating capabilities and energy-efficient operation, making it a standout choice for homeowners looking to upgrade their hot water system. Its compact size allows for versatile installation options, although it is essential to consider the natural gas requirement. Overall, this tankless water heater is best suited for families and individuals who prioritize efficiency and reliability in their hot water supply.
In summary, the Rheem RTGH Series offers excellent value for those seeking a dependable hot water solution, making it an ideal investment for modern households.
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Rheem High Efficiency Indoor Tankless Water Heater
Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater is designed to provide continuous hot water for your entire home, making it ideal for families or individuals with high hot water demands. This unit delivers an impressive 9.5 gallons per minute (GPM), ensuring that multiple applications like showers and dishwashers can run simultaneously without a hitch. Its compact design allows for easy installation in various indoor spaces, and it is built with durable materials to withstand everyday use.
This tankless water heater addresses the common problem of running out of hot water, especially during peak usage times. Its high efficiency means it only operates when hot water is needed, significantly reducing energy costs. The water-saving setting can save up to 1,100 gallons of water per year, making it an eco-friendly option for conscientious homeowners.
Pros
- Continuous hot water supply, ideal for large families.
- High energy efficiency reduces utility bills.
- Water-saving feature conserves water and lowers costs.
- LeakGuard technology prevents potential water damage.
- Compact design fits in various indoor locations.
Cons
- Initial installation cost can be higher than traditional water heaters.
- Requires adequate gas supply and venting for optimal performance.
- May not be suitable for very small homes with low hot water needs.
The Rheem RTG-95DVLN-3 excels in performance with features like hot-start programming, which keeps the unit ready to deliver hot water instantly, eliminating cold-water bursts. This makes it particularly useful for busy households where time is of the essence. While it is highly efficient, potential buyers should consider the installation requirements and costs involved.
Overall, this water heater is best suited for medium to large households that require a reliable and efficient hot water solution. Its combination of performance, energy savings, and innovative features makes it a valuable investment for those looking to upgrade their hot water system.
To buy this product, click here.
Rheem High Efficiency Indoor Tankless Water Heater
The Rheem RTG-70DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater is designed to provide continuous hot water for your home, making it ideal for families or households with high hot water demands. Its compact size and modern design allow for easy installation in various indoor spaces. With a flow rate of 7.0 GPM, it ensures that multiple applications, such as showers and dishwashers, can run simultaneously without a drop in water temperature.
This tankless water heater targets homeowners who seek efficiency and reliability in their hot water supply. The unit’s high-efficiency operation means it only heats water when needed, significantly reducing energy costs compared to traditional tank water heaters. Constructed with durable materials, it promises longevity and consistent performance.
One of the standout features of the Rheem RTG-70DVLN-3 is its water-saving setting, which can save up to 1,100 gallons of water annually. This feature not only conserves water but also contributes to lower utility bills. Moreover, the Hot-start programming keeps the heater ready, eliminating the frustration of cold-water bursts during use. With LeakGuard Leak Detection & Prevention, this unit offers peace of mind by protecting your home from potential water damage.
Pros
- Provides continuous hot water for multiple applications.
- High efficiency reduces energy costs significantly.
- Water-saving feature conserves up to 1,100 gallons per year.
- Hot-start programming prevents cold-water bursts.
- LeakGuard technology protects against water damage.
Cons
- Initial purchase price may be higher than traditional tank heaters.
- Installation can be complex and may require professional help.
In real-world usability, the Rheem RTG-70DVLN-3 excels in delivering hot water on demand, making it perfect for larger households or those with multiple simultaneous hot water needs. While the initial investment is higher, the long-term savings on energy and water bills make it a wise choice for environmentally conscious consumers. Overall, this product is best suited for families looking for a reliable, efficient hot water solution that minimizes waste and maximizes comfort.
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Rheem High Efficiency Outdoor Tankless Water Heater
The Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater is designed to provide continuous hot water for your entire household, making it ideal for families or individuals who require reliable hot water for multiple applications simultaneously, such as showers, dishwashers, and laundry. With a flow rate of 7.0 GPM, this water heater ensures that you never run out of hot water. Its compact size, featuring a 19% reduction in dimensions and a 22% decrease in weight compared to previous models, makes it perfect for homeowners looking to save space.
This water heater addresses the common problem of running out of hot water during peak usage times. Its energy-efficient design means it only operates when hot water is needed, significantly reducing energy costs. Additionally, the water-saving setting can conserve up to 1,100 gallons of water per year, making it an eco-friendly choice.
Pros
- Provides continuous hot water for multiple uses simultaneously.
- Energy-efficient operation reduces monthly utility bills.
- Water-saving feature conserves significant amounts of water.
- Compact design allows for easy installation in tight spaces.
- Hot-start programming prevents cold-water bursts.
Cons
- Initial purchase price may be higher than traditional tank water heaters.
- Requires professional installation for optimal performance.
The Rheem RTG-70XLN-3 excels in performance with its advanced hot-start programming, ensuring hot water is always ready when you need it. This feature, combined with its energy efficiency, makes it a standout choice for environmentally conscious consumers. While the upfront cost may be a consideration, the long-term savings on energy bills and water usage can outweigh the initial investment.
Overall, this water heater is best suited for families or households with high hot water demands. Its combination of efficiency, space-saving design, and reliable performance makes it a valuable addition to any home.
To buy this product, click here.
Rheem RTGH-95DVLN-3 9.5 GPM Tankless Water Heater
The Rheem RTGH-95DVLN-3 RTGH Series is a high-efficiency tankless water heater designed to provide endless hot water for residential use. Ideal for families or households with high hot water demands, this unit is suitable for various applications, including showers, dishwashing, and laundry. With a flow rate of up to 9.5 gallons per minute (GPM) and a powerful heating capacity of 199,900 BTU, it ensures consistent hot water supply without the wait.
Key specifications of the Rheem RTGH-95DVLN-3 include its compact dimensions of 17-11/16 inches in width, making it easy to install in tight spaces. The unit features a sleek stainless steel design that not only enhances durability but also adds a modern touch to your home. It operates on natural gas and includes an electric ignition for easy startup. The adjustable temperature settings range from 100 to 140°F, allowing users to customize their hot water experience according to their preferences.
Pros
- Endless hot water supply, perfect for large families.
- Compact design saves space compared to traditional tank heaters.
- Durable stainless steel construction ensures longevity.
- Energy-efficient operation can lower utility bills.
- Comprehensive warranty coverage: 1 year labor, 15 years heat exchanger, and 5 years parts.
Cons
- Higher upfront cost compared to conventional water heaters.
- Installation may require professional assistance, adding to overall expenses.
- Limited to natural gas; not suitable for electric-only homes.
Performance-wise, the Rheem RTGH-95DVLN-3 excels in delivering a steady stream of hot water, making it a reliable choice for households with multiple hot water needs. Its standout feature is the ability to adjust temperatures, ensuring comfort for all users. While the installation process may be a hurdle for some, the long-term savings on energy bills and the convenience of on-demand hot water make it a worthwhile investment.
Overall, the Rheem RTGH-95DVLN-3 is best suited for medium to large households that seek an efficient and reliable hot water solution. Its blend of performance, durability, and advanced features positions it as a top choice for those ready to upgrade their water heating system.
To buy this product, click here.
Faq about Rheem Gas Tankless Water Heater:
1: What is a Rheem gas tankless water heater?
A Rheem gas tankless water heater provides hot water on demand without a storage tank, ensuring efficiency and space-saving benefits.
2: How does a Rheem gas tankless water heater work?
It heats water directly as it flows through the unit, using gas burners to provide instant hot water whenever needed.
3: What are the benefits of using a Rheem gas tankless water heater?
Benefits include energy efficiency, continuous hot water supply, space savings, and lower utility bills compared to traditional water heaters.
4: How do I install a Rheem gas tankless water heater?
Installation should be done by a licensed professional to ensure safety and compliance with local codes and regulations.
5: What maintenance is required for Rheem gas tankless water heaters?
Regular maintenance includes descaling the unit and checking the gas supply and venting systems to ensure optimal performance.
6: Are Rheem gas tankless water heaters energy efficient?
Yes, they are highly energy efficient, often achieving energy factor ratings of 0.82 or higher, reducing energy costs significantly.
7: What is the lifespan of a Rheem gas tankless water heater?
With proper maintenance, a Rheem gas tankless water heater can last up to 20 years or more, outlasting traditional tank models.
Conclusion
Rheem’s RTGH 8.4 GPM Gas Water Heater exemplifies unparalleled efficiency, delivering an impressive flow rate while minimizing energy consumption, making it an ideal choice for modern households. Its robust design ensures longevity and reliability, catering to diverse hot water needs seamlessly.
Conversely, the Rheem High Efficiency Indoor Tankless Water Heater stands out for its compact design and advanced technology, providing instantaneous hot water while optimizing space. Both products reflect Rheem’s commitment to innovation, offering consumers exceptional performance and reliability in their quest for efficient water heating solutions.



