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Professional Classic Series: RTEX-24, RTEX-27
MODEL RTEX027 (208V PERFORMANCE)
Heating Chamber - 5 Years
Parts - 1 Year
- 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
Check Rebates SKU RTEX027 (208V PERFORMANCE)
Warranty Years 5
Model Professional Classic Tankless Electric RTEX-27
GPM 4.9
Depth 3.5"
Height 18.25"
Width 17.63"
Single Shower Minutes 9999
Number Back To Back Showers 9999
Install Location Indoor
High Efficiency Yes
Kilowatts 20
Water Connector Size 32 24
Amps 96
Recommended Breaker Size 3x40
Voltage 208
RecommendedWireSize 8
Minimum Flow GPM 2.7
Maximum Flow GPM 4.9
Adjustable Thermostat False
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
- Whole-Home – up to 6 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
- Durable Copper Immersion three heating elements, field serviceable
- Simple Installation – Bottom 3/4"NPT water connections
| MODEL NUMBER | MAX FLOW (GPM) |
| RTEX-24 | 5.9 |
| RTEX-27 | 6.6 |
Heating Chamber - 5 Years
Parts - 1 Year
More Residential Rheem Products
Find additional documentation by viewing these related products.
Professional Classic Series: RTEX-36
6.5-6.5 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-18
3.2-3.2 GPM
- 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
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
Professional Classic Series: RTEX-04, RTEX-06
- Push-button ON/OFF control with LED temperature display
- 3.5kW Model Flow Rate: up to 0.9 GPM
- 6kW Model Flow Rate: up to 1.5 GPM
- Bottom 1/2" NPT water connections
