Transform your home’s water heating with the Rinnai tankless water heater propane, offering efficiency and endless hot water.
The Rinnai tankless water heater propane series is designed for efficiency and convenience. The NEW Rinnai RX199iN provides up to 11.1 GPM, making it perfect for larger households. Meanwhile, the Rinnai V53DeP offers a compact solution with 5.3 GPM, ideal for outdoor installations. Each model ensures consistent hot water while saving energy and space.
Whether you need a powerful indoor system or a versatile outdoor option, Rinnai has you covered. The RX160iN delivers up to 9 GPM, making it suitable for various applications. These heaters are designed to meet diverse needs while maximizing efficiency.
In this review, you’ll learn about the key features and benefits of each Rinnai tankless water heater. From energy savings to installation ease, we’ll highlight what makes these products stand out.


Rinnai RX199iN Tankless Water Heater
The adjustable valve sets the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater apart from its competitors. Designed for both indoor and outdoor installation, this unit operates on either natural gas or propane, offering flexibility for various setups. With dimensions of 13.8 x 18.5 x 29 inches and a weight of 45 lbs, it is compact yet powerful, delivering an impressive flow rate of up to 11.1 GPM and a heating capacity of 199,000 BTU.
Key Advantages
- Constructed from 316-grade stainless steel, ensuring resistance to corrosion and durability in various environments.
- The energy efficiency factor of UEF .98 highlights its cost-saving potential over time.
- Features a Quick Flush system for easy maintenance, simplifying the upkeep process.
- Compatible with the Controlr module for WiFi control (sold separately), enhancing user convenience.
Limitations
- Not compatible with certain older plumbing systems, which may require additional modifications.
- Professional installation is recommended, adding to the initial investment.
Best for outdoor enthusiasts needing a reliable, efficient hot water solution, the Rinnai RX199iN is ideal for those who value performance and durability in their water heating systems.
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Rinnai V53DeP Outdoor Propane Tankless Heater
The adjustable valve sets the Rinnai V53DeP Propane Tankless Water Heater apart, allowing users to fine-tune water temperature with precision. Constructed from 316-grade stainless steel, this unit resists corrosion, ensuring durability and longevity. With dimensions of 14.5 x 24 x 10.4 inches, it is designed for outdoor installation, making it suitable for various environments.
Key Advantages
- 5.3 GPM flow rate delivers endless hot water, accommodating multiple appliances simultaneously.
- Energy-efficient performance heats water on demand, reducing energy consumption and enhancing the unit’s lifespan through improved scale detection features.
- Compact design allows for installation in tight spaces, making it ideal for both families and individuals.
Limitations
- Not compatible with certain existing plumbing systems, requiring professional installation for optimal performance.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the Rinnai V53DeP is a smart choice for households seeking to maximize convenience while minimizing energy costs. Its robust features ensure that hot water is always available when needed, making it a valuable addition to any home.
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Rinnai RX160iN Tankless Water Heater
The adjustable valve sets the Rinnai RX160iN Condensing Smart Sense Tankless Water Heater apart from competitors, allowing for precise control over water temperature and flow. Constructed from 316-grade stainless steel, this unit is designed to resist corrosion and ensure longevity. Its compact dimensions (approximately the size of a small suitcase) make it suitable for various installation spaces, whether indoors or outdoors.
Key Advantages
- The Rinnai RX160iN delivers an impressive output of up to 9 GPM, accommodating up to six fixtures simultaneously, which is ideal for larger households.
- Its energy efficiency factor of UEF .97 signifies minimal energy waste, translating to lower utility bills.
- The Quick Flush feature simplifies maintenance, ensuring optimal performance over time.
- With the optional Controlr module, users can integrate WiFi control, enhancing convenience.
Limitations
- This model is not compatible with certain older venting systems, requiring the RX-OVC vent cap for outdoor installations.
Best for outdoor enthusiasts needing a reliable, high-capacity water heating solution, the Rinnai RX160iN is an excellent choice for anyone looking to upgrade their hot water system with a modern, efficient design.
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Rinnai RXP199iN Tankless Water Heater
The adjustable valve sets the Rinnai RXP199iN Condensing Smart Sense Tankless Water Heater apart from its competitors. This innovative feature allows for precise control of water temperature and flow, ensuring optimal performance for various household needs. Constructed from 316-grade stainless steel, this unit resists corrosion and guarantees longevity. With dimensions of 14.5 x 18.5 x 26 inches, it is compact enough for both indoor and outdoor installations.
Key Advantages
- Its Smart-Circ Intelligent Recirculation technology learns user patterns, optimizing water delivery and reducing wait times for hot water.
- The heater boasts a high energy efficiency factor of UEF .98, making it a cost-effective choice for energy-conscious consumers.
- Installation versatility allows it to operate on either natural gas or propane, accommodating various home setups.
Limitations
- Not compatible with certain older plumbing systems, which may require additional modifications during installation.
- WiFi control requires the purchase of the Controlr module separately, adding to the initial setup cost.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the Rinnai RXP199iN is ideal for homes with multiple fixtures requiring simultaneous hot water access.
To buy this product, click here.
Rinnai RE199eP Propane Tankless Water Heater
The adjustable valve sets the Rinnai RE199eP Non-Condensing Propane Tankless Water Heater apart from its competitors. This innovative feature allows users to customize their hot water output, ensuring optimal performance based on specific needs. Constructed from 316-grade stainless steel, this unit resists corrosion, enhancing its longevity. With dimensions of 14.5 x 26.5 x 18.5 inches, it fits compactly in outdoor installations while delivering a remarkable flow rate of up to 9.8 GPM, accommodating multiple fixtures simultaneously.
Key Advantages
- The smart design of this heater only heats water when necessary, conserving energy and reducing costs. An improved internal layout speeds up installation and enhances serviceability. The integrated LED screen provides timely service reminders and error codes, ensuring easy maintenance.
Limitations
- It is not compatible with certain other models, particularly those requiring a different venting system or power source.
Best for outdoor enthusiasts needing a reliable and efficient hot water solution, the Rinnai RE199eP offers unmatched convenience and performance for residential applications. Its compact size and advanced features make it an excellent choice for those looking to upgrade their hot water system without sacrificing space or efficiency.
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Faq about Rinnai Tankless Water Heater Propane:
1: What is a Rinnai tankless water heater propane?
A Rinnai tankless water heater propane is a high-efficiency water heating system that heats water on demand using propane gas, eliminating the need for a storage tank.
2: How does a Rinnai tankless water heater work?
It activates when a hot water tap is opened, heating water directly as it flows through the unit, providing a continuous supply of hot water.
3: What are the benefits of using a Rinnai tankless water heater?
Benefits include energy efficiency, space-saving design, endless hot water, and lower utility bills compared to traditional water heaters.
4: What size Rinnai tankless water heater do I need?
The size depends on your household’s hot water demand. Rinnai offers various models to accommodate different needs, from small apartments to large homes.
5: How long do Rinnai tankless water heaters last?
With proper maintenance, Rinnai tankless water heaters can last over 20 years, significantly longer than traditional tank heaters.
6: Are Rinnai tankless water heaters easy to install?
Installation requires professional expertise, especially for gas connections and venting, but Rinnai provides detailed guidelines for installers.
Conclusion
The Rinnai RX199iN exemplifies efficiency and performance, delivering a continuous supply of hot water while optimizing energy consumption. Its advanced technology ensures reliability, making it an ideal choice for residential applications seeking sustainable solutions.
Conversely, the Rinnai V53DeP stands out as a robust outdoor option, designed for durability and convenience. Its compact form factor and rapid heating capabilities cater to various outdoor needs, solidifying its position as a premier choice for those desiring versatility in hot water solutions.




