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Professional Classic Series: RTEX-18
MODEL RTEX-18
Heating Chamber - 5 Years
Parts - 1 Year
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- Flow Rate: up to 4.4 GPM
- Bottom 3/4" NPT water connections
Select GPM
7
GPM
Models
SKU RTEX-18
Model Professional Classic Tankless Electric RTEX-18
High Efficiency Yes
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 continuous 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
- Standard Hand Sink – 0.5 GPM
- Washing Machine – 1 to 1.5 GPM
- Kitchen Sink – 1 to 2 GPM
- Dishwasher – 1 to 2 GPM
- Water-Saver Shower Head – 1.5 GPM
- Standard Shower Head – 2.0 GPM
- Bath Tub – = 4 GPM
Average Gallons Per Minute (GPM) based on 2010 Plumbing Standards
Unique Features
- External Digital Thermostatic Control with LED display (+/- 1 degree accuracy)
- Most advanced self-modulation, adjust power to meet hot water demand
- Two durable Copper Immersion heating elements, field serviceable
- Simple Installation – Bottom 3/4"NPT water connections
| MODEL NUMBER | MAX FLOW (GPM) |
| RTEX-18 | 4.4 |
Heating Chamber - 5 Years
Parts - 1 Year
More Residential Rheem Products
Find additional documentation by viewing these related products.
Professional Classic Series: RTEX-36
8-8 GPM
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- Flow Rate: up to 8.8 GPM
- Bottom 3/4" NPT water connections
Professional Classic Series: RTEX-24, RTEX-27
7-7 GPM
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- 24kW Model Flow Rate: up to 5.9 GPM
- 247W Model Flow Rate: up to 6.6 GPM
- Bottom 3/4" NPT water connections
Professional Classic Series: RTEX-24, RTEX-27
7-7 GPM
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- 24kW Model Flow Rate: up to 5.9 GPM
- 247W Model Flow Rate: up to 6.6 GPM
- Bottom 3/4" NPT water connections
Professional Classic Series: RTEX-08, RTEX-11, RTEX-13
5-5 GPM
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- 8kW Model Flow Rate: up to 1.95 GPM
- 11kW Model Flow Rate: up to 2.68 GPM
- 13kW Model Flow Rate: up to 3.17 GPM
- Side 1/2" NPT water connections
