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🔥 Heat Smarter, Live Better — Never Run Out, Never Waste Energy!
The Rheem RTEX-18 is a powerful 18kW 240V electric tankless water heater designed for efficient, on-demand hot water delivery. Featuring precise digital temperature control with LED display, advanced self-modulating technology for energy savings, and a compact footprint that fits seamlessly into modern homes, it provides up to 4.4 GPM flow rate—perfect for single shower or mid-range household use. Easy to install and maintain, this unit offers endless hot water while reducing energy consumption by up to 50% compared to traditional tank heaters.
| ASIN | B01MR7Z39V |
| Brand Name | Rheem |
| Capacity | 18 Gallons |
| Color | gray |
| Customer Reviews | 4.2 4.2 out of 5 stars (2,032) |
| Efficiency | 99.8% |
| Flow Rate | 4.4 Gallons Per Minute |
| Global Trade Identification Number | 00020352685335 |
| Heat Output | 18 Kilowatts |
| Included Components | Fittings, Aerator |
| Is Electric | Yes |
| Item Depth | 18.25 inches |
| Item Dimensions W x H | 36.8W x 46.4H cm |
| Item Weight | 6.7 kg |
| Manufacturer | Rheem |
| Manufacturer Part Number | RTEX-18 |
| Material Type | Iron |
| Maximum Pressure | 150 Pound per Square Inch |
| Maximum Temperature | 140 Degrees Fahrenheit |
| Model Number | RTEX-18 |
| Mount Type | Wall |
| Power Source | AC Power |
| Special Features | LED Display |
| Style Name | Whole Home 18kw |
| UPC | 020352685335 |
| Unit Count | 1.0 Count |
| Voltage | 240 Volts |
| Wattage | 18000 W |
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