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🔥 Endless hot water, zero wasted energy — upgrade your flow game!
The Rheem 18kW 240V Tankless Electric Water Heater delivers continuous hot water with precise digital temperature control and advanced self-modulating technology. Its compact design saves space while providing up to 4.4 gallons per minute flow rate, making it perfect for whole-home or single-shower use. Durable copper heating elements and easy installation ensure reliable, energy-efficient performance that can cut your water heating bills by up to 50%.
| ASIN | B01MR7Z39V |
| Amperage | 75 Amps |
| Best Sellers Rank | #6,531 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Water Heaters |
| Brand | Rheem |
| Color | Gray |
| Date First Available | January 19, 2017 |
| Efficiency | 99.8% |
| Global Trade Identification Number | 00020352685335 |
| Heat Output | 18 Kilowatts |
| Is Discontinued By Manufacturer | No |
| Is Electric | Yes |
| Item Depth | 18.25 inches |
| Item Weight | 14.78 pounds |
| Item model number | RTEX-18 |
| Manufacturer | Rheem |
| Manufacturer Part Number | RTEX-18 |
| Maximum Flow Rate | 4.4 Gallons Per Minute |
| Maximum Operating Pressure | 150 |
| Maximum Temperature | 140 Degrees Fahrenheit |
| Model | Professional Classic Tankless Electric RTEX-18 |
| Mounting Type | Wall |
| Product Dimensions | 14.5"W x 18.25"H |
| Special Feature | LED Display |
| Special Features | LED Display |
| Style | Whole Home, 18 kw |
| UPC | 020352685335 |
| Voltage | 240 Volts |
| Wattage | 18000 watts |
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