Professional Classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications
Performance Features
• On demand, consistent and endless hot water
• Compact and stylish with digital temperature control in increments of 1°F ranging from 80°F to 140°F*
• 99.8% Energy efficient
• Robust copper immersion heating elements with brass top increases durability and are threaded for easy replacement
• Simple Installation
• Digital temperature display
• External controls to adjust temperature in increments of 1°F*
Applications
• Whole-Home - up to 6 GPM
• Water-Saver Shower Head - 1.5 GPM
• Standard Shower Head - 2.0 GPM
• Standard Hand Sink - 0.5 GPM
• Kitchen Sink - 1 to 2 GPM
• Bath Tub - >= 4 GPM
• Dishwasher - 1 to 2 GPM
• Washing Machine - 1 to 1.5 GPM (Average Gallons Per Minute (GPM) based on 2010 Plumbing Standards)
Warranty
• 5-Year heating chamber and 1-year parts limited warranty. See Residential Warranty Certificate for complete information
Unique Features
• External Digital Thermostatic Control with LED display (+/- 1 degree accuracy)
• Most advanced self-modulation, adjust power to meet hot water demand
• Durable Copper Immersion two heating elements, field serviceable
• Simple Installation - Bottom 3/4" NPT water connections
Additional information
| Brand | |
|---|---|
| Energy Star Certified | No |
| Model Number | RTEX-18 |
Mark –
This 18KW Rheem Electric Tankless Water Heater is a true home comfort marvel! The price for such an efficient and powerful water heater is remarkably affordable, and its consistent delivery of instant hot water left me pleasantly surprised. For anyone seeking an energy-efficient and dependable water heating solution at an incredible value, this heater is a fantastic choice!
Kevin (store manager) –
Thank you for your feedback! We’re thrilled to hear that the 18KW Rheem Electric Tankless Water Heater has impressed you with its remarkably affordable price, efficient performance, and consistent delivery of instant hot water, making it a fantastic choice for anyone seeking an energy-efficient and dependable water heating solution at an incredible value.
Kolton T –
I recently purchased the 18KW Rheem Electric Tankless Water Heater, and I’m thrilled with the incredible price, compact size, and outstanding performance that have turned my daily showers into a luxurious experience while saving on energy costs—truly a surprising and fantastic addition to my home.
Kevin (store manager) –
We’re delighted to hear you’re thrilled with the incredible price, compact size, and outstanding performance of the 18KW Rheem Electric Tankless Water Heater, turning your daily showers into a luxurious experience while saving on energy costs—a surprising and fantastic addition to your home!
Dominick N –
I recently purchased the 18KW Rheem Electric Tankless Water Heater, and the exhilarating surprise of its unbeatable price, coupled with the exceptional quality of the equipment and its outstanding performance, has turned this acquisition into an absolute win that far exceeded my expectations!
Kevin (store manager) –
Thank you for sharing your experience with the 18KW Rheem Electric Tankless Water Heater; its unbeatable price, exceptional quality, and outstanding performance exceeded expectations, making it an absolute win!
James F –
I recently purchased the 18KW Rheem Electric Tankless Water Heater and was blown away by its remarkable performance and surprisingly affordable price. The sleek design and powerful heating capabilities ensure endless hot water on demand, making it an absolute game-changer for my home!
Kevin (store manager) –
Thank you for your enthusiastic review! We’re thrilled to hear that the 18KW Rheem Electric Tankless Water Heater has impressed you with its remarkable performance and affordability, providing endless hot water with its sleek design and powerful heating capabilities, truly transforming your home experience.
Derek F –
The 18KW Rheem Electric Tankless Water Heater exceeded all my expectations with its amazing performance and efficiency! It provides endless hot water at an unbeatable price, making it a must-have for anyone looking to upgrade their home’s water heating system.
Kevin (store manager) –
Thank you for your fantastic review of the 18KW Rheem Electric Tankless Water Heater! We’re thrilled to hear it provides amazing performance, efficiency, and endless hot water, making it a perfect upgrade for your home’s water heating system.