⚡ Heat smarter, not harder — never run out of hot water again!
The Rheem RTEX-18 is a compact, 18kW 240V electric tankless water heater featuring precise digital temperature control with ±1° accuracy, smart self-modulation for energy efficiency, and durable copper heating elements. Delivering up to 4.4 gallons per minute, it offers easy installation with a 3/4" NPT water connection, making it ideal for modern homes seeking reliable, on-demand hot water without the bulk.
| Brand | Rheem |
| Model Number | RTEX-18 |
| Product Dimensions | 36.83 x 36.83 x 46.36 cm; 6.7 kg |
| Color | gray |
| Name List for Name Plates | Heater |
| Voltage | 240 Volts |
| Wattage | 18000 W |
| Included Components | Fitting Aerator |
| Are Batteries Included | No |
| Model Year | 2016 |
| Item Weight | 6.7 Kilograms |
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