For homeowners, the Rheem tankless natural gas water heater provides endless hot water without the bulk of traditional tanks.
The Rheem RRTGH84DVLN3701171 is perfect for efficient home heating, delivering up to 8.4 GPM while saving space. This **best-rated product** ensures reliable hot water on demand, making it an ideal choice for families.
From compact installations to high-capacity outputs, these systems adapt to various home sizes and needs, ensuring comfort and convenience.
We detail pros, cons, and hidden perks ahead.


Rheem RTGH 8.4 GPM Tankless Water Heater
The Rheem RRTGH84DVLN3701171 Rheem RTGH Series Tankless Water Heater is designed to provide an efficient and reliable hot water solution for residential use. Ideal for homeowners looking to save space and energy, this tankless water heater offers a flow rate of up to 8.4 gallons per minute (GPM), ensuring a steady supply of hot water for multiple fixtures simultaneously. With its compact design, measuring 17-11/16 inches in width, it fits seamlessly into various home layouts. The unit is constructed from durable stainless steel, ensuring longevity and resistance to corrosion.
This tankless water heater addresses the common problem of running out of hot water, especially during peak usage times. By heating water on demand, it improves the user experience by providing a continuous supply of hot water, making it perfect for families or households with high hot water needs. The available temperature settings range from 100°F to 140°F, allowing users to customize their hot water experience according to preference.
Pros
- Efficient energy usage, reducing utility bills compared to traditional tank heaters.
- Compact size saves valuable space in your home.
- Durable stainless steel construction enhances longevity.
- Quick recovery rate ensures hot water is always available.
- Comprehensive warranty coverage: 1 year labor, 15 years heat exchanger, and 5 years parts.
Cons
- Higher upfront cost compared to traditional water heaters.
- Installation may require professional assistance, adding to initial expenses.
- May not be suitable for very large homes without proper sizing.
In real-world usability, the Rheem RRTGH84DVLN3701171 excels in performance and reliability. Its electric ignition system simplifies operation, while the adjustable temperature settings cater to various heating needs. This model is best suited for medium to large households that require consistent hot water for showers, dishwashing, and laundry. However, potential buyers should consider their home size to ensure optimal performance.
Overall, the Rheem RTGH Series Tankless Water Heater offers exceptional value for those seeking a modern, efficient hot water solution. Its combination of durability, efficiency, and user-friendly features makes it an excellent choice for homeowners committed to enhancing their hot water experience.
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Rheem High Efficiency Outdoor Tankless Water Heater
Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater is designed to provide continuous hot water for residential use, making it ideal for families or households with multiple hot water needs. Its compact size of 19% smaller than previous models and a weight reduction of 22% ensures easy installation and space savings. This model boasts a capacity of 7.0 GPM, allowing for simultaneous use of multiple applications, such as showers and dishwashers, without compromising on comfort.
This water heater solves the common problem of running out of hot water, especially during peak usage times. It operates only when needed, which not only enhances user experience but also contributes to significant energy savings. The water-saving setting can save up to 1,100 gallons of water per year, making it an environmentally friendly option.
Pros
- Continuous hot water supply for multiple applications.
- Energy-efficient operation reduces utility bills.
- Compact design saves installation space.
- Hot-start programming prevents cold-water bursts.
Cons
- Initial installation cost can be higher than traditional water heaters.
- Requires professional installation for optimal performance.
The performance of the Rheem RTG-70XLN-3 is outstanding, especially for larger households. Its standout features, such as the hot-start programming and water-saving settings, enhance usability and efficiency. However, it is best suited for homes with sufficient natural gas supply and may not be ideal for smaller apartments or spaces with limited installation options.
In summary, the Rheem RTG-70XLN-3 is a valuable investment for families seeking a reliable and efficient hot water solution. Its combination of energy savings, water conservation, and continuous hot water supply makes it a top choice for homeowners looking to enhance their daily comfort.
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Rheem Gas Condensing Tankless Water Heater
The Rheem Natural Gas Condensing Tankless Water Heater is designed to provide continuous hot water on demand, making it ideal for homeowners who require a reliable and efficient hot water solution. This unit is particularly suited for medium to large households, accommodating various needs with its impressive flow rate of up to 9 GPM. With dimensions of 17-11/16 inches in width, it fits well in tight spaces while delivering high performance.
Constructed from durable materials, this water heater boasts a maximum output of 180,000 BTUs, ensuring that it can meet the hot water demands of multiple fixtures simultaneously. The temperature settings range from 100 to 140°F, with a default setting of 120°F, allowing users to customize their hot water experience. The electric ignition feature enhances convenience and efficiency, making it an excellent addition to any home.
The Rheem Natural Gas Condensing Tankless Water Heater solves common hot water issues by eliminating the need for bulky storage tanks, providing a space-saving solution that also improves energy efficiency. By heating water only when needed, it reduces energy costs compared to traditional water heaters.
Pros
- High efficiency with a continuous flow rate of up to 9 GPM.
- Durable construction with a long lifespan supported by extensive warranties.
- Compact design fits well in various installation spaces.
- Customizable temperature settings for personalized hot water needs.
Cons
- Initial investment can be higher compared to tank-style water heaters.
- Requires professional installation, which may add to overall costs.
In real-world usability, the Rheem Natural Gas Condensing Tankless Water Heater excels in performance, providing hot water instantly without the wait. It is best suited for families or individuals who prioritize efficiency and have moderate to high hot water usage. However, potential buyers should consider the installation requirements and initial costs.
Overall, this water heater offers exceptional value for those seeking a reliable, efficient, and space-saving hot water solution.
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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, making it ideal for homeowners with high-demand hot water needs. This model delivers an impressive 7.0 gallons per minute (GPM), ensuring that multiple applications, such as showers and dishwashers, can run simultaneously without a hitch. Its compact size and sleek design make it suitable for various indoor installations, while the durable materials ensure longevity.
This water heater effectively solves the problem of inconsistent hot water supply, improving the user experience by maintaining a steady flow of hot water. The advanced features, including hot-start programming and a water-saving setting, help reduce energy costs and water consumption, making it an environmentally friendly choice.
Pros
- Provides continuous hot water for multiple applications simultaneously.
- High efficiency reduces energy costs by only operating when needed.
- Water-saving setting can save up to 1,100 gallons of water annually.
- Hot-start programming eliminates cold-water bursts.
- LeakGuard Leak Detection & Prevention protects against potential water damage.
Cons
- Higher upfront cost compared to traditional tank water heaters.
- Requires professional installation, which may add to overall expenses.
- Limited to indoor use; not suitable for outdoor installations.
The Rheem RTG-70DVLN-3 stands out with its exceptional performance and reliability. Its ability to provide hot water on demand makes it an excellent choice for larger households or those with multiple water needs. However, potential buyers should consider the installation requirements and initial investment, as these factors may influence their decision.
This water heater is best suited for families or individuals who value efficiency and consistent hot water supply. In summary, the Rheem RTG-70DVLN-3 is a valuable investment for those seeking a reliable and energy-efficient solution for their hot water needs.
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Rheem RTGH-95DVLN-3 9.5 GPM Gas Water Heater
The Rheem RTGH-95DVLN-3 RTGH Series Tankless Water Heater is designed to provide continuous hot water for residential use, making it ideal for households with varying hot water needs. With a flow rate of up to 9.5 gallons per minute (GPM), this unit is perfect for families or homes with multiple bathrooms. Its compact design (17-11/16 inches wide) and sleek stainless steel finish ensure it fits seamlessly into any indoor space.
This tankless water heater operates on natural gas and features an electric ignition system, enhancing its efficiency and reliability. The available temperature settings range from 100°F to 140°F, with a default setting of 120°F, allowing users to customize their hot water experience. The Rheem RTGH-95DVLN-3 effectively addresses the common problem of running out of hot water during peak usage times, ensuring a steady supply for showers, washing dishes, and laundry.
Pros
- High flow rate of up to 9.5 GPM, suitable for large households.
- Durable construction with a stainless steel finish, enhancing longevity.
- Energy-efficient design, reducing utility bills compared to traditional water heaters.
- Customizable temperature settings for personalized comfort.
- Comprehensive warranty coverage: 1 year labor, 15 years for the heat exchanger, and 5 years for parts.
Cons
- Higher initial cost compared to conventional water heaters.
- Installation may require professional assistance, adding to overall expenses.
- Limited to indoor installation, which may not suit all homes.
In terms of performance, the Rheem RTGH-95DVLN-3 stands out with its ability to deliver hot water on demand, eliminating the wait time associated with traditional tank heaters. Its compact size makes it a space-saving solution, while the robust warranty offers peace of mind for users. This product is best suited for families or individuals who prioritize hot water availability and energy efficiency.
Overall, the Rheem RTGH-95DVLN-3 is an excellent investment for those seeking a reliable and efficient hot water solution. Its combination of high performance, durability, and user-friendly features makes it a top choice for modern households.
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Faq about Rheem Tankless Natural Gas Water Heater:
1: What is a Rheem Tankless Natural Gas Water Heater?
A Rheem tankless natural gas water heater provides on-demand hot water by heating water directly without a storage tank.
2: How does a tankless water heater work?
It heats water as it flows through the unit, using natural gas burners to achieve the desired temperature instantly.
3: What are the benefits of using a tankless water heater?
Benefits include energy efficiency, endless hot water supply, and space-saving design compared to traditional tank heaters.
4: Is installation difficult for a Rheem tankless water heater?
Installation requires professional expertise, especially for gas line and venting connections, ensuring safety and compliance with local codes.
5: How do I maintain my tankless water heater?
Regular maintenance involves descaling the unit annually and checking filters and venting for optimal performance.
6: What is the lifespan of a Rheem tankless water heater?
These units typically last 15 to 20 years with proper maintenance, outlasting traditional tank models.
7: Are there any energy savings with tankless models?
Yes, tankless models can save up to 30% on energy costs compared to conventional water heaters due to their efficiency.
Conclusion
The Rheem RTGH 8.4 GPM Tankless Water Heater exemplifies efficiency and reliability, delivering a continuous supply of hot water while optimizing energy consumption. Its compact design and advanced technology cater to modern households, ensuring both convenience and sustainability.
Similarly, the Rheem High Efficiency Outdoor Tankless Water Heater stands out for its robust performance in outdoor installations, offering exceptional durability and energy savings. Together, these products epitomize innovation in water heating solutions, meeting the diverse needs of consumers seeking both performance and environmental responsibility.



