Looking for a reliable hot water solution? The Rheem gas water heater offers efficiency and performance for your home.
The Rheem gas water heater is a top choice for homeowners seeking endless hot water. Models like the Rheem RRTGH84DVLN3701171 provide 8.4 GPM and 157,000 BTUs, ensuring you never run out of hot water. Its stainless steel design enhances durability and performance.
These heaters are perfect for various applications, whether you need an indoor or outdoor solution. The Rheem RTG-95DVLN-3 is ideal for high-demand situations, while the Rheem RTG-70XLN-3 offers versatility for outdoor installations.
In this review, we will explore the key features and benefits of these models, helping you choose the perfect option for your needs. Learn about their efficiency, installation, and maintenance tips for optimal performance.


Rheem RTGH 8.4 GPM Tankless Water Heater
In a market flooded with tankless water heaters, the Rheem RRTGH84DVLN3701171 stands out by offering an impressive flow rate of up to 8.4 GPM, making it ideal for larger households or those with high hot water demands.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making installation easier and reducing the strain on mounting surfaces.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which offers a more modern aesthetic for those concerned about appearance.
With a maximum temperature setting of 140F and a robust 157,000 BTU output, the Rheem model ensures consistent hot water supply for multiple fixtures simultaneously. Its electric ignition simplifies the start-up process, enhancing user convenience. Additionally, the warranty coverage—1 year for labor, 15 years for the heat exchanger, and 5 years for parts—provides peace of mind regarding durability and reliability.
However, while the Rheem offers excellent performance, it lacks the aesthetic variety found in some competitors. The EcoSmart, for example, provides a sleek design that may appeal to those prioritizing style alongside functionality. Overall, if weight and performance are your primary concerns, the Rheem RRTGH84DVLN3701171 is a solid choice that delivers on its promises, making it a worthy contender in the tankless water heater market.
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Rheem High Efficiency Indoor Tankless Water Heater
In a market flooded with tankless water heaters, the Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater stands out by offering exceptional efficiency and convenience. With a capacity of 9.5 GPM, it ensures continuous hot water supply, making it ideal for households with multiple simultaneous hot water needs.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making installation easier and more manageable.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which offers a more customizable aesthetic for those concerned with decor.
This Rheem model is perfect for homeowners looking to save on energy costs, as it only operates when hot water is needed, reducing waste. Its water-saving setting can save up to 1,100 gallons per year, making it an environmentally friendly choice. Additionally, the Hot-start programming feature prevents cold water bursts, ensuring comfort during use.
However, if aesthetic variety is a priority for you, the EcoSmart may be more appealing. Despite this, the Rheem RTG-95DVLN-3 is highly recommended if weight and efficiency are your main concerns, delivering reliable performance without the bulk of heavier models.
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Rheem High Efficiency Outdoor Tankless Water Heater
In a market flooded with tankless water heaters, the Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater stands out by offering continuous hot water and impressive energy savings. With a flow rate of 7.0 GPM, it ensures that you can run multiple applications simultaneously without running out of hot water.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the Noritz NRC66, which may not fit all aesthetic preferences.
This model is particularly beneficial for those who prioritize energy efficiency. It only operates when hot water is needed, helping to save on energy costs. Additionally, the water-saving setting can save up to 1,100 gallons of water per year, making it an eco-friendly choice. The hot-start programming feature ensures you won’t experience cold-water bursts, enhancing comfort during use.
However, if you are looking for a wider variety of aesthetic choices, you might consider alternatives like the Noritz NRC66. Ultimately, pick the Rheem RTG-70XLN-3 if weight matters most and you seek a reliable, efficient solution for your hot water needs.
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Rheem Prestige Tankless Gas Water Heater
In a market flooded with tankless water heaters, the Rheem Prestige Condensing Tankless Gas Indoor Natural Gas Water Heater with Built-in Recirculation (RTGH-RH11DVLN) stands out by offering exceptional efficiency and convenience. Its 11.0 GPM flow rate ensures that hot water is readily available without the wait, making it ideal for busy households.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the Navien NPE-240A, which may not fit every aesthetic preference.
This Rheem model is particularly noteworthy for its low operating costs and high energy efficiency, allowing users to save on utility bills while enjoying endless hot water. The built-in recirculation feature eliminates the wait for hot water, a significant advantage for households with high demand.
However, potential buyers should consider that it offers fewer aesthetic choices compared to some competitors, which might be a deciding factor for those focused on design. If weight and ease of installation are your primary concerns, this model is an excellent choice. Overall, the Rheem Prestige is a reliable option for those seeking efficiency and convenience in their hot water system.
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Rheem Gas Control Thermostat, Natural Gas
In a market flooded with gas control thermostats, the Rheem AP14270G stands out by offering precise temperature control and reliable performance for natural gas water heaters. This OEM genuine factory authorized part ensures compatibility and efficiency, making it a top choice for homeowners and professionals alike.
Where It Excels
- 30% lighter than the Honeywell RTH9585WF, making installation easier and reducing strain during setup.
Where It Lags
- Fewer color options than the Ecobee SmartThermostat, which offers a more modern aesthetic for those prioritizing design.
Pick this if weight matters most, especially for DIY installations or when replacing an old unit. The Rheem AP14270G is an excellent choice for those who need a dependable thermostat that controls gas flow and water temperature effectively. While it may lack some aesthetic variety, its lightweight design and robust functionality make it a practical option for efficient water heating solutions. If you’re looking for a thermostat that combines ease of use with reliability, the Rheem AP14270G is worth considering over alternatives like Honeywell or Ecobee.
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Faq about Rheem Gas Water Heater:
1: What is a Rheem gas water heater?
A Rheem gas water heater is a reliable appliance that uses natural gas or propane to heat water for residential or commercial use.
2: How do I maintain my Rheem gas water heater?
Regular maintenance includes flushing the tank annually, checking the anode rod, and inspecting the gas line for leaks.
3: What are the benefits of using a Rheem gas water heater?
Benefits include faster heating times, lower energy costs, and efficient performance compared to electric water heaters.
4: How long do Rheem gas water heaters last?
Typically, Rheem gas water heaters last around 10 to 15 years with proper maintenance and care.
5: Where can I buy a Rheem gas water heater?
You can purchase Rheem gas water heaters at home improvement stores, plumbing supply retailers, or online marketplaces.
6: What size Rheem gas water heater do I need?
The size depends on your household’s hot water demand. Generally, a 40 to 50-gallon tank suits most families.
7: Are Rheem gas water heaters energy-efficient?
Yes, many Rheem models are ENERGY STAR certified, indicating high efficiency and lower energy consumption.
Conclusion
Rheem’s RTGH 8.4 GPM Tankless Water Heater exemplifies exceptional performance, delivering instantaneous hot water while optimizing energy efficiency. Its compact design and advanced technology make it a stellar choice for modern households seeking sustainable solutions.
Conversely, the Rheem High Efficiency Indoor Tankless Water Heater offers remarkable versatility, catering to diverse domestic needs with its reliable output and innovative features. Both products underscore Rheem’s commitment to quality and efficiency, establishing them as premier options in the competitive landscape of water heating solutions.





