Outdoor Tankless Water Heater Propane – Which One Will Surprise You?

75% of homeowners prefer outdoor tankless water heaters for instant hot water.

That’s why the Rinnai V53DeP stands out with its impressive 5.3 GPM flow rate, ensuring you never run out of hot water during peak usage.

Few know its compact design not only saves space but also enhances energy efficiency, making it a smart choice for eco-conscious consumers.

Our review covers long-term value vs. rivals to help you make an informed decision.

Rinnai V53DeP Outdoor Propane Tankless Heater

The adjustable valve sets the Rinnai V53DeP Propane Tankless Water Heater apart from competitors, allowing users to customize water flow and temperature with precision. Constructed from 316-grade stainless steel, this unit resists corrosion, ensuring durability and longevity. With dimensions of 14.5 x 18.5 x 24 inches, it fits seamlessly into compact spaces, making it ideal for outdoor installations.

Key Advantages

• The 5.3 GPM flow rate provides endless hot water for multiple appliances simultaneously, catering to busy households.
• Energy-efficient performance is achieved through on-demand heating, conserving energy and extending the unit’s lifespan with enhanced scale detection features.
• Its compact design allows for installation in tight areas without sacrificing hot water output, making it suitable for various settings.
• Professional installation is recommended to ensure optimal performance and adherence to safety standards.
• Robust warranty protection includes a 10-year warranty on the heat exchanger, a 5-year warranty on labor, and a 1-year warranty on parts, reflecting Rinnai’s commitment to quality.

Limitations

• Not compatible with natural gas systems, limiting use to propane setups only.

Best for outdoor enthusiasts needing reliable, energy-efficient hot water solutions for their homes or recreational activities, the Rinnai V53DeP excels in performance and convenience.

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Propane Tankless Outdoor Water Heater 5.26GPM

The adjustable valve sets the Propane Tankless Water Heater Outdoor apart from its competitors, providing precise control over water temperature. Built with a 316-grade stainless steel body, this unit offers exceptional corrosion resistance, ensuring durability in outdoor conditions. Measuring 22.8″ x 14.4″ x 5.9″, it is compact and designed for quick installation.

Key Advantages

• With a maximum output of 120,000 BTU per hour, it delivers up to 5.26 gallons per minute, making it suitable for multiple fixtures.
• The oxygen-free copper water tank minimizes heat loss, enhancing efficiency and prolonging service life.
• Advanced combustion technology reduces gas consumption and operational noise, providing a quieter experience.
• The LED smart digital display allows for easy adjustments between 95°F and 149°F, ensuring accurate temperature control.
• Operates effectively at low water pressures from 3.16-150 PSI.

Limitations

• Not compatible with electric systems, limiting its use to propane (LPG) applications.
• Requires a standard 120V AC outlet for power, which may not be available in all outdoor settings.

Best for outdoor enthusiasts needing reliable, on-demand hot water for various applications, this tankless water heater combines efficiency with advanced safety features, making it an ideal choice for outdoor living.

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Rheem High Efficiency Outdoor Tankless Water Heater

The adjustable valve sets the Rheem RTG-70XLP-3 apart from other outdoor tankless water heaters. Constructed from durable 316-grade stainless steel, this unit resists corrosion, ensuring longevity even in harsh environments. With dimensions of 18.5 x 29 x 12.5 inches and a weight reduction of 22% compared to its predecessor, it offers a compact solution for space-constrained installations.

Key Advantages

• Provides continuous hot water at a rate of 7.0 GPM, accommodating multiple applications simultaneously.
• Features a high-efficiency operation that only activates when hot water is needed, significantly reducing energy costs.
• Incorporates a water-saving setting that conserves up to 1,100 gallons annually, promoting eco-friendly usage.
• Includes hot-start programming to maintain a ready state, eliminating cold-water bursts.
• Smaller size enhances ease of installation and saves space.

Limitations

• Not compatible with natural gas systems, limiting its use to propane setups only.

Overall, the Rheem RTG-70XLP-3 is best for outdoor enthusiasts needing a reliable and efficient water heating solution for their homes. Its advanced features and compact design make it a top choice for those seeking performance without sacrificing space.

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Rinnai RX199iN Tankless Water Heater

The adjustable valve sets the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater apart from its competitors. This innovative feature allows for precise control over water temperature and flow, enhancing user experience. Constructed from 316-grade stainless steel, the unit is designed to resist corrosion, ensuring longevity. With dimensions of just 14 x 18 x 26 inches, it is compact enough for various installation scenarios, whether indoors or outdoors.

Key Advantages

• The advanced Smart Sense gas control system automatically adjusts to optimize performance based on demand, providing up to 11.1 GPM, which is sufficient for simultaneous use in multiple fixtures.
• Its super-high energy efficiency factor of UEF .98 means lower utility bills and a reduced carbon footprint.
• The Quick Flush feature simplifies maintenance, allowing for easy descaling to maintain optimal performance.

Limitations

• Not compatible with certain older venting systems, which may require additional modifications for installation.
• WiFi control via the Controlr module is optional and not included, potentially adding to the overall cost.

Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the Rinnai RX199iN is ideal for those seeking performance without sacrificing space or energy efficiency.

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Rinnai RE199eP Propane Tankless Water Heater

The adjustable valve sets the Rinnai RE199eP Non-Condensing Propane Tankless Water Heater apart from its competitors. Designed for outdoor installation, this unit delivers a powerful 199,000 BTU output and can provide up to 9.8 gallons per minute (GPM), accommodating multiple fixtures simultaneously. Constructed from 316-grade stainless steel, it resists corrosion, ensuring longevity and reliability in various weather conditions. The compact dimensions make it easy to fit in tight spaces, similar to the size of a small suitcase.

Key Advantages

• Features a smart design that only heats water when necessary, conserving energy and reducing utility bills.
• The improved internal layout enhances serviceability, making maintenance easier.
• Equipped with an LED screen that provides service reminders and error codes for user convenience.

Limitations

• Not compatible with certain existing plumbing systems, requiring professional assessment prior to installation.
• WiFi control is available through the Controlr module but is not included with the unit.

Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the Rinnai RE199eP is ideal for those who prioritize performance and durability in their hot water systems.

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Faq about Outdoor Tankless Water Heater Propane:

1: What is an outdoor tankless water heater propane?

An outdoor tankless water heater propane heats water on demand using propane fuel, eliminating the need for a storage tank.

2: What are the benefits of using propane for an outdoor tankless water heater?

Propane is efficient, provides consistent hot water, and is often more affordable than electricity in many areas.

3: How do I install an outdoor tankless water heater propane?

Installation requires proper venting and a secure propane connection; professional installation is recommended for safety and compliance.

4: How much space do I need for an outdoor tankless water heater propane?

These units require minimal space, typically mounted on an exterior wall, but ensure adequate clearance for ventilation.

5: What maintenance is needed for an outdoor tankless water heater propane?

Regular descaling, checking for leaks, and ensuring proper ventilation are essential for optimal performance and longevity.

6: Can I use an outdoor tankless water heater propane in cold climates?

Yes, many models are designed for cold climates, but proper insulation and installation are crucial to prevent freezing.

7: How long do outdoor tankless water heaters last?

With proper maintenance, these units can last 15 to 20 years, significantly longer than traditional tank water heaters.

Conclusion

Rinnai V53DeP stands out with its impressive flow rate of 5.26 GPM, delivering seamless hot water on demand, making it an ideal choice for larger households. Its energy efficiency and compact design further enhance its appeal, ensuring optimal performance without occupying excessive space.

Similarly, the Propane Tankless Outdoor Water Heater offers remarkable reliability, catering to diverse needs while maintaining an eco-friendly profile. Its advanced technology guarantees consistent heating, making it a formidable contender in the outdoor water heating market, perfectly marrying convenience with sustainability.