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Item #:
86618493
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater 8.4 GPM, 180,000 BTUs
Item #:
86618493
€ 1400
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What Stands Out
High Efficiency
The Rheem RTG-84XLN-3 maximizes energy savings with its high-efficiency design, ensuring lower utility bills while providing instant hot water when needed.
Endless Hot Water
With an impressive 8.4 gallons per minute capacity, this tankless water heater delivers a continuous supply of hot water, catering to large households and minimizing wait time.
Outdoor Installation
Designed for outdoor use, this unit frees up valuable indoor space, making it a convenient solution for those with limited installation options while ensuring reliable performance.
Product Details
| Power Source | Natural Gas |
| Special Features | Hot Start Programming, Overheat Protection |
| Wattage | 132 watts |
| Voltage | 120 Volts |
| Flow Rate | 8.4 Gallons Per Minute |
| Maximum Temperature | 140 Degrees Fahrenheit |
| Heat Output | 180000 British Thermal Units |
| Mount Type | Wall |
| Is Electric | No |
| Smart Home Compatibility | Not Smart Home Compatible |
| Capacity | 8.4 gallons |
| Item Dimensions W x H | 13.5"W x 20.75"H (34.3 cm) |
| Item Weight | 39.25 Pounds (17.8 kg) |
| Item Depth | 9.4 inches (23.9 cm) |
| Material Type | Stainless Steel |
| Brand Name | Rheem |
| Model Number | RTG-84XLN-3 |
| Manufacturer | Rheem |
| UPC | 020352761268 |
| Manufacture Year | 2023 |
| Manufacturer Part Number | RTG-84XLN-3 |
| Included Components | Display |
| Unit Count | 1.0 Count |
| Item Type Name | Water Heater |
| Color | Gray |
| Style Name | Natural Gas - 8.4 GPM |
| Brand | Rheem |
| Product Dimensions (L x W x H) | 13.5"W x 20.75"H (34.3 cm) |
| Special Feature | Hot Start Programming, Overheat Protection |
Who Should Buy?
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Large Families
Ideal for households with high hot water demands due to its 8.4 GPM flow rate, ensuring continuous availability.
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Outdoor Installations
Designed for outdoor use, making it perfect for homes with limited indoor installation space for water heaters.
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Energy Savers
Highly efficient model reduces energy consumption, suitable for users looking to lower utility bills and environmental impact.
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Small Households
Not suitable for smaller households with low hot water needs, potentially leading to underutilization of its capabilities.
Product Description
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater 8.4 GPM, 180,000 BTUs
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the primary features of the Rheem RTG-84XLN-3 tankless water heater?
Answer: The Rheem RTG-84XLN-3 is designed to offer an impressive flow rate of 8.4 gallons per minute, making it suitable for medium to large households. It is a high-efficiency non-condensing model that utilizes natural gas as its energy source, ensuring fast heating and saving space by eliminating the need for a bulky tank. This model is ideal for homes with multiple bathrooms, as it can supply hot water on demand for various fixtures simultaneously. -
Question:
How does the Rheem RTG-84XLN-3 compare to traditional tank water heaters?
Answer: Unlike traditional tank water heaters that store hot water, the Rheem RTG-84XLN-3 heats water on demand. This results in endless hot water supply, eliminating the need for reheating. Additionally, this tankless model is more energy-efficient since it only activates when hot water is required, potentially leading to lower energy bills compared to maintaining a reservoir of hot water. -
Question:
What are the installation requirements for the Rheem RTG-84XLN-3?
Answer: Installation of the Rheem RTG-84XLN-3 requires a professional to ensure compliance with local codes and safety standards. It must be installed outdoors and venting is essential to expel combustion gases effectively. The unit requires a natural gas connection and proper drainage for condensate, if applicable. Qualified plumbers or HVAC technicians usually handle these installations for optimal performance and safety. -
Question:
Is the Rheem RTG-84XLN-3 suitable for winter use in colder climates?
Answer: Yes, the Rheem RTG-84XLN-3 is designed to operate effectively even in colder climates. However, it's crucial to ensure that the unit is protected from freezing temperatures, as the performance may be reduced if water within the system freezes. It is recommended to install freeze protection or insulate pipes in colder regions to maintain constant hot water supply throughout winter. -
Question:
What maintenance is required for the Rheem RTG-84XLN-3?
Answer: Regular maintenance for the Rheem RTG-84XLN-3 involves flushing the system annually to remove mineral buildup that can affect efficiency and performance. Inspecting the venting system and checking for gas leaks should also be part of routine checks. These maintenance practices help in prolonging the lifespan of the unit and ensuring consistent hot water availability. -
Question:
Can the Rheem RTG-84XLN-3 be used in recreational vehicles?
Answer: While the Rheem RTG-84XLN-3 is designed primarily for home use, it can be adapted for RVs with the appropriate setup for natural gas supply and venting. However, it's important to consider the limitations of space and gas pressure in an RV environment. Most users prefer more compact, specialized tankless heaters designed for RV use. -
Question:
What safety features does the Rheem RTG-84XLN-3 include?
Answer: The Rheem RTG-84XLN-3 comes equipped with several safety features, including a pressure relief valve, digital temperature control, and a flame sensor. These components ensure reliable operation and can prevent overheating or gas leaks. Such safety measures are crucial, particularly for households with children, allowing peace of mind with hot water supplies. -
Question:
How do I adjust the temperature on the Rheem RTG-84XLN-3?
Answer: You can adjust the temperature of the Rheem RTG-84XLN-3 using the digital display on the unit. Users can set their desired temperature within the acceptable range based on household needs. Adjusting the temperature controls is user-friendly and helps in tailoring the hot water supply for tasks like bathing or washing dishes, ensuring comfort without wasting energy. -
Question:
What is the lifespan of the Rheem RTG-84XLN-3?
Answer: The Rheem RTG-84XLN-3 is designed for durability and can last upwards of 15 years with proper maintenance. Regular upkeep, such as descaling, can significantly enhance the longevity of the unit. By following the recommended maintenance schedule, users can expect reliable hot water service for many years. -
Question:
Where can I buy the Rheem RTG-84XLN-3 in Malta?
Answer: You can purchase the Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater from Ubuy. Ubuy offers a user-friendly platform where you can easily find and order this product with various options for delivery to your location.
Rheem Water Heaters RTG-84XLN-3 Editorial Review
The product in question has received a mixed reception from customers. On one hand, many users express high satisfaction with its performance and efficiency. Several reviews highlight its ability to heat water quickly and maintain precise temperatures, making it a reliable choice for those needing a dependable water heater. Customers who have replaced older models report a significant improvement in their water heating experience and recommend the product without reservation. However, there are concerns regarding product reliability. One user experienced ignition issues after installation, leading to a return of the unit and a negative recommendation. This highlights the importance of proper installation and potential quality control issues that some customers have encountered. Despite this, overall sentiments lean towards positive, with many praising ease of installation and long-term durability when properly maintained. The versatility to operate with both natural gas and propane further adds to its appeal, suggesting it can meet a variety of customer needs. **
Customer Reviews & Ratings
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Pros
- Heats water quickly and maintains precise temperatures
- Positive feedback on ease of installation
- High customer satisfaction and recommendations
- Long-lasting with proper maintenance
- Available in both natural gas and propane versions
Cons
- Difficulty finding additional parts (e.g., pipe covers) not included with the purchase
Platform Trust & Buyer Confidence
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23 July 2026 · via Trustpilot
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€ 1400
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Features & Benefits
- Delivers continuous hot water with minimal wait.
- Up to 25% less energy usage compared to traditional tanks.
- Compact design saves valuable floor space.
- Exclusive Hot Start Programming eliminates cold water bursts.
- Water Saving Setting can save up to 1,100 gallons of water annually.
- Qualifies for energy rebates to reduce monthly bills.
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