Features & Benefits
- Tankless electric water heater
- Continuous, endless supply of hot water
- Saves energy
- Saves money
- Saves water
- Saves space
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Item #:
68118819
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
Item #:
68118819
USD 246
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Saves Energy Heats water only when you need it, so it uses less energy than a tank-type water heater, making this a sustainable choice.
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What Stands Out
Instant Hot Water
Provides immediate and continuous hot water supply, eliminating the need for a storage tank and ensuring hot water is readily available when needed.
Energy Efficient
Highly efficient 240V system reduces energy consumption, resulting in lower utility bills and a smaller carbon footprint compared to traditional water heaters.
Compact Design
Space-saving design allows for easy installation in small areas, making it ideal for homes with limited space or specific installation needs.
Product Details
| Power Source | Corded Electric |
| Special Features | LED Display |
| Wattage | 24 KW |
| Voltage | 240 volts |
| Flow Rate | 5.9 gpm |
| Maximum Temperature | 140 u00b0F |
| Heat Output | 24 KW |
| Efficiency | 99.8% Energy efficient |
| Maximum Pressure | 150 |
| Mount Type | Wall |
| Maximum Pressure | 150 psi |
| Capacity | 5.9 gallons |
| Item Dimensions W x H | 17.63"W x 18.25"H (44.8 cm) |
| Item Weight | 17.8 pounds (8.07 kg) |
| Item Depth | 3.5 inches (8.9 cm) |
| Material Type | Stainless Steel |
| Brand Name | Rheem |
| Model Number | RTEX-24 |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Manufacturer | Rheem |
| UPC | 020352685397 |
| Global Trade Identification Number | 00020352685397 |
| Included Components | Fittings, Aerators |
| Item Type Name | Water Heater |
| Manufacturer Part Number | RTEX-24 |
| Color | Gray |
| Style Name | Whole Home, 24 kw |
| Brand | Rheem |
| Product Dimensions (L x W x H) | 17.63"W x 18.25"H (44.8 cm) |
| Special Feature | LED Display |
Who Should Buy?
-
Small Homes
Ideal for small households with low hot water demand, it provides efficient and endless hot water supply.
-
Apartments
Perfect for apartments with limited space, as it can be mounted easily and does not require a bulky tank.
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Eco-Conscious Users
Energy-efficient design reduces electricity usage, making it suitable for environmentally conscious consumers.
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Large Families
May struggle to meet the hot water demands of larger households with multiple simultaneous users.
Product Description
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
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Customer Questions & Answers
-
Question:
What are the key features of the Rheem 8kW 240V Tankless Electric Water Heater?
Answer: The Rheem 8kW 240V Tankless Electric Water Heater is designed for efficiency and convenience. It features on-demand hot water heating, ensuring you never run out of hot water while saving energy by only heating water as needed. Its compact design allows for easy installation in tight spaces, and it typically supports up to 2 major applications simultaneously, like showers and faucets. Ideal for smaller homes or apartments, it provides an eco-friendly solution without needing a bulky storage tank. -
Question:
How does the Rheem 8kW Tankless Electric Water Heater work?
Answer: This tankless water heater operates by using electric coils to heat cold water as it flows through the unit. When a hot water tap is turned on, the heater activates, providing a constant supply of hot water without the need for a storage tank. Its smart technology allows it to adjust heating based on flow rate and temperature requirements. This means you get hot water instantly, providing flexibility for everyday uses like bathing, cooking, and cleaning. -
Question:
Is the Rheem 8kW water heater suitable for larger households?
Answer: The Rheem 8kW Tankless Electric Water Heater is generally suited for smaller households or apartments, as it can provide hot water for up to 2 simultaneous fixtures. For larger households with multiple bathrooms or heavy hot water usage, you might consider units with higher kW ratings to meet demand. However, it’s perfect for scenarios like showering or using the dishwasher during off-peak times, maximizing efficiency while minimizing wait time for hot water. -
Question:
What size electrical supply is needed for installation?
Answer: The Rheem 8kW Tankless Electric Water Heater requires a dedicated 240V electrical supply for optimal performance. Proper installation typically includes 40-50 amp circuit breakers and appropriate wiring to handle the load. It’s crucial to consult a licensed electrician to ensure compliance with local electrical codes and safety standards. This guarantees the heater functions efficiently, reducing the risk of electrical issues, thereby providing reliable hot water for your needs. -
Question:
Can this water heater be installed outdoors?
Answer: The Rheem 8kW Tankless Electric Water Heater is designed for indoor installation only. It is not waterproof and is not rated for external conditions. For outdoor applications, you’d need a model specifically designed for outdoor use to withstand environmental factors such as rain or snow. Indoor installation ensures optimal performance and longevity, making it suitable for areas like kitchens or laundry rooms where hot water demand is routine. -
Question:
What maintenance is required for the Rheem 8kW Tankless Heater?
Answer: To maintain the Rheem 8kW Tankless Electric Water Heater, regular descaling is recommended, especially in areas with hard water. This involves flushing the system with a descaling solution to remove mineral buildup, usually once a year. Regularly checking for leaks and ensuring that the electrical supply is intact are also good practices. This maintenance routine helps extend the unit's lifespan, ensuring efficient performance and helping to prevent emergency repairs. -
Question:
What warranties come with the Rheem 8kW Tankless Water Heater?
Answer: The Rheem 8kW Tankless Electric Water Heater typically comes with a limited warranty that covers parts for 5 years and the heating element for 1 year. The exact terms may vary based on the purchase location and date, so it's advisable to check your warranty information upon purchase. This warranty offers peace of mind, ensuring that customers have support for any manufacturing defects or operational issues that may arise during normal usage. -
Question:
What is the energy efficiency rating of the Rheem 8kW water heater?
Answer: The Rheem 8kW Tankless Electric Water Heater is designed to be energy efficient, typically having an energy factor rating that meets or exceeds industry standards. This efficiency helps reduce monthly utility bills, as it uses only the energy necessary to heat water on demand. For optimal usage, combining it with energy-saving fixtures can lower consumption further. Homeowners can expect consistent hot water supply without significant increases in energy costs! -
Question:
How long does it take to heat water with this unit?
Answer: The Rheem 8kW Tankless Electric Water Heater provides hot water almost instantly upon activation. Depending on the incoming water temperature and flow rate, it can deliver hot water within seconds. Under optimal conditions, you can expect it to heat water rapidly enough to serve multiple uses like showers and washing machines concurrently, significantly reducing wait times compared to traditional water heaters. -
Question:
Where can I buy the Rheem 8kW 240V Tankless Electric Water Heater in Palau?
Answer: You can purchase the Rheem 8kW 240V Tankless Electric Water Heater from Ubuy, which provides reliable service and delivery options across Palau. Ubuy is known for its user-friendly platform, extensive product range, and competitive shipping options, making it a convenient choice for finding this electric water heater. Additionally, you can benefit from customer reviews and product details that help inform your purchase decision.
Rheem Water Heaters RTEX-24 Editorial Review
The Rheem 8kW 240V Tankless Electric Water Heater has received mixed reviews from customers. While some customers have found it easy to install and have experienced no issues with water temperature, others have reported lukewarm water or insufficient heating for a shower. One customer mentioned that the unit has good water flow but the water is not hot in the shower. Another customer mentioned that the water heater does not heat the water effectively, resulting in lukewarm showers. Some customers have also expressed dissatisfaction with the lack of support from the seller and the need for additional instructions on regulating the heating element. However, some customers have praised the product for its ease of installation and performance. Overall, the Rheem 8kW 240V Tankless Electric Water Heater seems to have mixed customer reception, with some experiencing satisfactory performance while others have encountered issues with water temperature.
Customer Reviews & Ratings
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Pros
- Easy to install
- Good water flow
- Works effectively for some customers
Cons
- Insufficient heating for showers
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23 July 2026 · via Trustpilot
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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.”
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Last Updated on August 14, 2026
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USD 246
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