Struggling with inconsistent hot water supply? A natural gas outdoor tankless water heater can provide instant, reliable hot water.
A natural gas tankless water heater efficiently heats water on demand, eliminating the need for a bulky storage tank. Top products like the Rheem RTG-70XLN-3 and Rinnai V53DeN ensure you never run out of hot water. Enjoy energy savings and endless hot water for your home.
Standout features include efficient heating capabilities and compact designs. The Rheem model delivers 7.0 GPM, while the Rinnai offers 5.3 GPM, making them perfect for busy households. These units simplify hot water access, enhancing your daily comfort.
For a deeper dive, we break down performance, durability, and more to help you choose the best option.
Rinnai Natural Gas Tankless Water Heater
The adjustable valve sets the Natural Gas Tankless Water Heater apart, providing precise control over water temperature. Constructed with a durable 316-grade stainless steel body and an oxygen-free copper water tank, this unit ensures superior corrosion resistance and minimal heat loss. Its compact dimensions of 22.8″ x 14.4″ x 5.9″ make it suitable for outdoor installation, while its lightweight design allows for easy setup.
Key Advantages
- High-performance output of 120,000 BTU per hour delivers up to 5.26 gallons of hot water per minute, accommodating multiple fixtures simultaneously.
- Advanced combustion technology reduces gas consumption and operational noise, enhancing efficiency.
- LED smart digital display allows for temperature adjustments from 95°F to 149°F, facilitating user-friendly operation.
- Built-in temperature sensors and advanced water servo technology maintain temperature fluctuations within ±1℉.
Limitations
- Not compatible with propane gas systems, limiting its use to natural gas only.
- Requires a minimum water pressure of 3.6 PSI for optimal performance.
This water heater is best for outdoor enthusiasts needing a reliable, efficient hot water solution for multiple fixtures in various weather conditions. Its combination of durability, efficiency, and precise temperature control makes it an excellent choice for those seeking immediate hot water access.
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Rheem High Efficiency Outdoor Tankless Water Heater
The adjustable valve sets the Rheem RTG-70XLN-3 apart from traditional water heaters. This model, constructed from durable 316-grade stainless steel, ensures long-lasting performance and resists corrosion. With dimensions of 18.5 x 30 x 12 inches and a weight reduced by 22% compared to previous models, it is designed for easy installation and optimal space-saving in outdoor settings.
Key Advantages
- The 7.0 GPM flow rate guarantees continuous hot water supply, making it ideal for households with simultaneous demands, such as showers and dishwashers.
- Its high efficiency means it only operates when hot water is needed, leading to significant energy savings.
- The water-saving setting can conserve up to 1,100 gallons of water annually, promoting eco-friendliness.
- Hot-start programming eliminates cold-water bursts, enhancing user comfort.
Limitations
- Not compatible with electric systems, which may limit options for some users.
- Requires proper ventilation for natural gas, which may complicate installation in certain locations.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution for various applications, the Rheem RTG-70XLN-3 is a top choice for those seeking performance without compromising space or energy efficiency.
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Rinnai V53DeN Outdoor Natural Gas Water Heater
The adjustable valve sets the Rinnai V53DeN Natural Gas Tankless Water Heater apart, allowing users to customize their water temperature easily. Constructed from 316-grade stainless steel, this unit resists corrosion and ensures a long lifespan. With dimensions of 24.6 x 14.6 x 9.8 inches, it boasts a compact design that fits well in limited spaces.
Key Advantages
- The unit provides a remarkable flow rate of 5.3 GPM, capable of serving up to four appliances simultaneously, ideal for busy households.
Limitations
- Not compatible with electric systems, limiting options for those without natural gas access.
Best for outdoor enthusiasts needing a reliable, energy-efficient solution for hot water demands, the Rinnai V53DeN is designed for modern living. Its energy-efficient operation heats water only when required, reducing utility bills and minimizing environmental impact. Additionally, the unit comes with a 10-year warranty on the heat exchanger, providing peace of mind regarding durability and performance. While professional installation is recommended for optimal safety and function, the compact and user-friendly design makes it an excellent choice for homeowners looking to upgrade their hot water system without sacrificing space or efficiency.
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FOGATTI Outdoor Natural Gas Tankless Heater
The adjustable valve sets the FOGATTI Natural Gas Tankless Water Heater apart from its competitors. With a powerful output of 180,000 BTU and a flow rate of up to 8.1 GPM, this unit ensures a continuous supply of hot water for multiple outlets, making it ideal for busy households or outdoor activities. Constructed from durable 316-grade stainless steel, it resists corrosion and is built to withstand the elements, measuring 26.2 x 17.1 x 7.1 inches for a compact installation.
Key Advantages
- The advanced water servo technology and precision temperature sensors maintain a temperature difference within ±1℉, ensuring consistent hot water delivery.
- Designed for outdoor use, it features a bottom-mounted fan that enhances safety by preventing smoke backflow.
- Compatible with low water pressure from 15-150 PSI, it operates smoothly even in challenging conditions.
- Built with a high-efficiency oxygen-free copper heat exchanger for exceptional durability.
Limitations
- Not compatible with high-altitude installations above 2000 feet without specific adjustments.
- Requires connection to a standard 120V AC, which may limit installation options in certain locations.
Best for outdoor enthusiasts needing reliable, on-demand hot water solutions, the FOGATTI tankless water heater combines performance with convenience, making it a top choice for various applications.
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FOGATTI Outdoor Natural Gas Tankless Water Heater
The adjustable valve sets the FOGATTI Natural Gas Tankless Water Heater apart from its competitors, allowing for precise control over water flow and temperature. Constructed with a high-efficiency copper heat exchanger and a 304 stainless steel burner, this unit measures 23.94 x 15.5 x 7.3 inches, making it compact yet powerful.
Key Advantages
- 120,000 BTU output ensures rapid heating, providing up to 5.1 GPM flow rate, suitable for multiple outlets.
- 316-grade stainless steel resists corrosion, enhancing durability and longevity.
- Advanced water servo technology maintains a temperature difference within ±1℉, ensuring consistent performance.
- Compatible with low water pressures ranging from 15-150 PSI, making it versatile for various setups.
Limitations
- Not compatible with high-altitude installations above 2000 feet.
- Requires draining if the ambient temperature drops below 5℉ to prevent damage.
Best for outdoor enthusiasts needing reliable hot water on demand, the FOGATTI tankless water heater offers excellent value with its combination of efficiency, performance, and compact design. Its CSA certification and multiple safety features ensure peace of mind for users seeking a dependable solution for their hot water needs.
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Faq about Natural Gas Outdoor Tankless Water Heater:
1:What is a natural gas outdoor tankless water heater?
A natural gas outdoor tankless water heater heats water on demand without a storage tank, providing instant hot water for outdoor use.
2:How does it work?
When a hot water tap is opened, cold water flows through the unit, triggering the burner to heat the water instantly.
3:What are the benefits?
Benefits include energy efficiency, space-saving design, continuous hot water supply, and reduced risk of leaks compared to traditional tanks.
4:Are there any installation requirements?
Yes, proper venting is required for gas exhaust, and installation should comply with local codes and regulations.
5:How much maintenance is needed?
Regular maintenance includes descaling to prevent mineral buildup and checking the gas line and venting for safety.
6:What size do I need?
Select a size based on your household’s hot water demand, measured in gallons per minute (GPM).
7:Can it work in cold climates?
Yes, but consider installing a unit with freeze protection features for optimal performance in cold weather.
8:What is the lifespan?
Typically, a natural gas outdoor tankless water heater lasts 15-20 years with proper maintenance.
Conclusion
Rinnai’s Natural Gas Tankless Water Heater exemplifies innovation, delivering unparalleled efficiency and continuous hot water, making it a premier choice for discerning homeowners. Its advanced technology ensures optimal performance, significantly reducing energy consumption while providing reliability.
Conversely, the Rheem High Efficiency Outdoor Tankless Water Heater stands out for its remarkable energy-saving capabilities and user-friendly features, appealing to those seeking both performance and convenience. Together, these products represent the pinnacle of modern water heating solutions, catering to diverse needs with sophistication and efficacy.