Transform your hot water experience with the Rheem outdoor propane tankless water heater, delivering endless hot water on demand.
The Rheem outdoor propane tankless water heater is designed for efficiency and convenience. With models like the RTG-70XLP-3, providing 7.0 GPM and the RTG-84XLP offering 8.4 GPM, these heaters ensure you have a steady supply of hot water for all your needs. Their compact design saves space while delivering high performance.
Ideal for homes with multiple bathrooms or high hot water demands, these heaters are perfect for outdoor installations. They feature advanced technology that maximizes energy savings and reduces utility bills, making them a versatile choice for any homeowner.
This review will delve into the features, benefits, and specifications of Rheem’s outdoor propane tankless water heaters, helping you choose the perfect solution for your hot water needs. Learn about the efficiency, performance, and reliability that set these heaters apart.


Rheem High Efficiency Outdoor Tankless Water Heater
In a market flooded with tankless water heaters, the Rheem RTG-70XLP-3 High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater stands out by delivering continuous hot water while being remarkably energy-efficient. With a capacity of 7.0 GPM, this unit ensures that your household can enjoy hot water simultaneously across multiple applications, such as showers and dishwashers, without interruption.
Where It Excels
- 30% lighter than the Rinnai RUC98iN, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the Noritz NRC66DV, which may not appeal to those looking for aesthetic variety.
This model is particularly recommended for households where weight and efficiency matter most. Its compact design, combined with a water-saving setting that can save up to 1,100 gallons annually, makes it an excellent choice for eco-conscious consumers. Additionally, the hot-start programming feature prevents cold-water bursts, ensuring a consistently pleasant experience. While it may lack the color variety offered by some competitors, the Rheem RTG-70XLP-3 prioritizes performance and practicality, making it a top contender in the tankless water heater market.
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Rheem Outdoor Tankless Liquid Propane Water Heater
In a market flooded with tankless water heaters, the Rheem High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater stands out by offering exceptional efficiency and continuous hot water delivery. With a flow rate of 8.4 GPM, it ensures your household can enjoy simultaneous hot water use without interruptions.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making installation easier and more convenient.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which may not appeal to all homeowners looking for aesthetic variety.
This Rheem model is particularly recommended for those who prioritize weight and installation ease. Its compact design and significant weight reduction of 22% compared to previous models make it ideal for smaller spaces or DIY installations. Additionally, the high efficiency of this water heater translates to lower energy bills, as it only operates when hot water is needed, saving both energy and water—up to 1,100 gallons annually.
While it may not offer as many color choices as some competitors, the Rheem High Efficiency model compensates with its reliable performance and advanced features like hot-start programming, which prevents cold-water bursts. For homeowners focused on efficiency and space-saving design, this water heater is an excellent choice.
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Rheem High Efficiency Indoor Tankless Water Heater
In a market flooded with tankless water heaters, the Rheem RTG-70DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater stands out by delivering a remarkable 7.0 GPM, ensuring continuous hot water for your entire home. This model is ideal for households that frequently use multiple hot water applications simultaneously, such as showers and dishwashers.
Where It Excels
- 30% lighter than the Rinnai RUC98i, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the EcoSmart ECO 27, which offers a more modern aesthetic for contemporary homes.
This Rheem model is particularly beneficial for those who prioritize energy efficiency and water conservation. With its high-efficiency design, it only operates when hot water is needed, significantly lowering energy costs. Additionally, the water-saving setting can save up to 1,100 gallons of water annually, making it an environmentally friendly choice.
However, if you are looking for a wider variety of aesthetic choices, you might want to explore alternatives like the EcoSmart ECO 27. Overall, pick the Rheem RTG-70DVLP-3 if weight and energy efficiency matter most, along with the assurance of continuous hot water for your household needs.
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Rheem High Efficiency Outdoor Tankless Water Heater
In a market flooded with tankless water heaters, the Rheem RTG-95XELP-3 High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater stands out by offering exceptional efficiency and convenience. With a capacity of 9.5 GPM, it provides continuous hot water for your entire house, making it ideal for households with multiple simultaneous hot water needs, such as showers and dishwashers.
Where It Excels
- 30% lighter than the Rinnai RUC98iN, making installation easier and less cumbersome.
Where It Lags
- Fewer color options than the Takagi T-H3-DV-N, which may be a drawback for those seeking a more customized look.
This model is particularly beneficial for those who prioritize energy efficiency, as it only runs when needed, helping to save on energy costs. Additionally, its water-saving setting can conserve up to 1,100 gallons of water per year, making it a smart choice for environmentally conscious consumers.
Pick this if weight matters most and you need a reliable water heater that doesn’t compromise on performance. The Rheem RTG-95XELP-3 is an excellent option for families looking for a compact, efficient solution for their hot water needs.
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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 delivering consistent hot water while being energy efficient. With a capacity of 7.0 GPM, it ensures that your entire household can enjoy hot water simultaneously, whether it’s for showers, dishwashers, or laundry.
Where It Excels
- 30% lighter than many competitors, making installation a breeze.
Where It Lags
- Fewer color options than brands like Rinnai, which may appeal to those looking for aesthetic variety.
This model is particularly beneficial for families or households that require a reliable hot water supply without the hassle of running out. Its high efficiency means it only operates when hot water is needed, significantly reducing energy costs over time. Additionally, the water-saving setting can conserve up to 1,100 gallons annually, making it an eco-friendly choice.
However, if you prioritize aesthetic customization, you might find the limited color options a drawback. Still, if weight and energy efficiency are your main concerns, the Rheem RTG-70XLN-3 is an excellent option that combines performance with convenience.
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Faq about Rheem Outdoor Propane Tankless Water Heater:
1: What is a Rheem outdoor propane tankless water heater?
A Rheem outdoor propane tankless water heater heats water on demand, providing continuous hot water without the need for a storage tank.
2: How does it work?
This system uses propane to heat water as it flows through the unit, ensuring instant hot water whenever needed.
3: What are the benefits?
Benefits include energy efficiency, space-saving design, and the ability to provide hot water for multiple outlets simultaneously.
4: Is installation difficult?
Installation requires professional expertise to ensure proper gas connections and compliance with local codes.
5: What maintenance is required?
Regular maintenance includes descaling every six months to prevent mineral buildup and checking for gas leaks.
6: How long do they last?
With proper maintenance, Rheem tankless water heaters can last up to 20 years, significantly longer than traditional tank heaters.
7: Are they energy efficient?
Yes, they are highly energy efficient, often providing up to 40% energy savings compared to conventional water heaters.
8: Can it handle multiple showers?
Yes, it can supply hot water for multiple showers and appliances simultaneously, depending on the model’s flow rate.
Conclusion
Rheem’s High Efficiency Outdoor Tankless Water Heater exemplifies cutting-edge technology, delivering remarkable energy conservation while ensuring a continuous supply of hot water. Its innovative design is tailored for optimal performance, making it a premier choice for eco-conscious consumers.
Conversely, the Rheem Outdoor Tankless Liquid Propane Water Heater offers unparalleled reliability and efficiency, catering to those seeking flexibility and convenience in their hot water solutions. Both products stand out for their exceptional engineering, promising durability and satisfaction for discerning homeowners.




