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Item #:
63804084
Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater 8.4 GPM - RTGH-84XLN-2
Item #:
63804084
XCD 8406
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Thursday, September 10
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The Rheem Prestige RTGH-84XLN-2 is a high efficiency condensing outdoor natural gas tankless water heater that ensures continuous hot water, even in low-demand situations.
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What Stands Out
High Efficiency
The Rheem Prestige achieves an impressive 94% thermal efficiency, significantly lowering energy bills while providing on-demand hot water, making it an ideal choice for eco-conscious consumers.
Space-Saving Design
Its compact outdoor installation frees up valuable indoor space, perfect for small homes or apartments needing efficient solutions without sacrificing comfort or performance.
Reliable Output
With a powerful 8.4 GPM flow rate, this unit supplies hot water for multiple fixtures simultaneously, ensuring no interruption during showers or other water usage in busy households.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 33 lbs (14.97 kg) |
| What is in the box | Rheem Prestige Condensing Tankless... For more details, please check description/product details |
Who Should Buy?
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Large Households
Perfect for families requiring high hot water demands with multiple simultaneous uses throughout the home.
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Eco-conscious Users
Ideal for environmentally minded consumers seeking energy-efficient heating solutions to reduce their carbon footprint.
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Outdoor Installations
Best suited for homes with outdoor heating requirements, maximizing space without compromising performance and aesthetics.
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Small Apartments
Less suitable for small living spaces with limited hot water needs, leading to inefficiency and unnecessary costs.
Product Description
Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater 8.4 GPM - RTGH-84XLN-2
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Customer Questions & Answers
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Question:
What is the flow rate of the Rheem Prestige Tankless Water Heater?
Answer: The Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater has a flow rate of 8.4 gallons per minute (GPM). This powerful performance makes it suitable for providing hot water for multiple applications simultaneously, such as showers, dishwashers, and washing machines. For instance, in a busy household, you can enjoy long hot showers while running the dishwasher without running out of hot water. -
Question:
How does a condensing tankless water heater work?
Answer: A condensing tankless water heater, like the Rheem Prestige, uses cutting-edge technology to maximize efficiency by capturing and reusing exhaust gases, which would otherwise be lost. This process allows the unit to heat water more effectively and reduce energy consumption. Customers can experience lower energy bills while ensuring a continuous supply of hot water, perfect for families with high-demand needs. -
Question:
What are the benefits of using natural gas for water heating?
Answer: Natural gas water heaters generally offer faster recovery rates compared to electric models, allowing for immediate access to hot water. Additionally, natural gas is often more cost-effective, leading to lower operational costs over time. This benefit is particularly evident during peak usage times, making it a reliable choice for households that require consistent hot water. -
Question:
Is the Rheem Prestige Tankless Water Heater suitable for outdoor installation?
Answer: Yes, the Rheem Prestige Condensing Tankless Water Heater is specifically designed for outdoor installation. Its durable construction allows it to withstand various weather conditions, making it an excellent choice for outdoor settings. Customers appreciate the convenience of not having to allocate indoor space for a bulky tank, allowing for more efficient use of interior areas. -
Question:
What maintenance is required for this water heater?
Answer: Routine maintenance for the Rheem Prestige Tankless Water Heater includes descaling the unit to remove mineral buildup, checking the venting system, and inspecting the gas supply lines. Regular maintenance helps ensure optimal performance and longevity. For example, in areas with hard water, adding descaling every 6-12 months can significantly enhance the heater’s efficiency. -
Question:
Can the Rheem Prestige handle multiple hot water outlets at once?
Answer: Absolutely. With its impressive 8.4 GPM flow rate, the Rheem Prestige is capable of servicing multiple hot water outlets simultaneously. This makes it an ideal choice for larger homes where several fixtures may be in use at once, such as taking showers while running the laundry. This feature helps prevent issues like temperature fluctuations, ensuring a comfortable experience. -
Question:
What is the ideal gas supply pressure for this water heater?
Answer: The Rheem Prestige requires a gas supply pressure of 5-10 inches of water column. Ensuring the correct pressure is critical for optimal combustion and heating performance. When installing this unit, it's essential to have a qualified technician verify the gas supply to guarantee efficient operation, thus providing reliable hot water. -
Question:
Does this water heater have a built-in frost protection feature?
Answer: Yes, the Rheem Prestige Tankless Water Heater includes built-in frost protection to prevent damage in colder climates. This feature is particularly beneficial for outdoor installations, as it safeguards the unit from freezing during winter months. Therefore, users in colder regions can trust that their system will remain operational without the risk of frost-related issues. -
Question:
What type of venting does this unit require?
Answer: The Rheem Prestige Condensing Tankless Water Heater requires direct venting, which effectively expels exhaust gases outside the home while drawing in fresh air for combustion. This type of installation minimizes indoor air pollution and is critical for safety. A proper installation will enhance the unit's efficiency and maintain the air quality in your home while providing hot water consistently. -
Question:
Where can I buy the Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater 8.4 GPM - RTGH-84XLN-2?
Answer: You can purchase the Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater 8.4 GPM - RTGH-84XLN-2 at Ubuy in Saint Lucia. Ubuy offers a streamlined shopping experience, ensuring you can find this high-efficiency water heater conveniently, alongside relevant product information and customer support.
Rheem Water Heaters Editorial Review
The Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater provides a high flow rate of 8.4 GPM, making it ideal for large households. It offers advanced features such as a self-diagnostic system and a low NOx burner for more efficient and environmentally friendly operation. Customers appreciate the consistent hot water and the energy savings this unit provides. However, some users have experienced issues with the unit shutting off unexpectedly.
Customer Reviews & Ratings
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Pros
- High flow rate of 8.4 GPM
- Self-diagnostic system
- Low NOx burner for efficient operation
- Consistent hot water
- Energy savings
Cons
- Unit may shut off unexpectedly
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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XCD 8406
Order now and get it around Thursday, September 10
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