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Professional Classic Series: RTEX-36
MODEL RTEX-36 (208V PERFORMANCE)
Heating Chamber - 5 Years
Parts - 1 Year
- 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
SKU RTEX-36 (208V PERFORMANCE)
Warranty Years 5
Model Professional Classic Series Tankless Electric RTEX-36
GPM 6.5
Depth 3.5"
Height 18.25"
Width 21.63"
Single Shower Minutes 9999
Number Back To Back Showers 9999
Install Location Indoor
High Efficiency Yes
Kilowatts 27
Water Connector Size 32 24
Amps 150
Recommended Breaker Size 4x40
Voltage 208
RecommendedWireSize 8
Minimum Flow GPM 3.6
Maximum Flow GPM 6.5
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
- Four durable Copper Immersion heating elements, field serviceable
- Simple Installation – Bottom 3/4"NPT water connections
| MODEL NUMBER | MAX FLOW (GPM) |
| RTEX-36 | 8.8 |
Heating Chamber - 5 Years
Parts - 1 Year
More Residential Rheem Products
Find additional documentation by viewing these related products.
Professional Classic Series Tankless Electric RTEX-08 kW
1.4-1.4 GPM
- UEF up to .96
- Flow rate 0.8 - 1.4 GPM
- Durable, lightweight engineered polymer shell does not rust or corrode.
- Digital thermostatic temperature controls in 1-degree increments ranging from 80°F - 140°F (26°C - 60°C)
Professional Classic Series Tankless Electric RTEX-13 kW
2.3-2.3 GPM
- UEF up to .96
- Flow rate 1.3 - 2.3 GPM
- Durable, lightweight engineered polymer shell does not rust or corrode.
- Digital thermostatic temperature controls in 1-degree increments ranging from 80°F - 140°F (26°C - 60°C)
Professional Classic Series Tankless Electric RTEX-24 kW
4.3-4.3 GPM
- UEF up to .94
- Flow rate 2.4 - 4.3 GPM
- Durable powder-coated shell with a galvanized steel backplate
- Digital thermostatic temperature controls in 1-degree increments ranging from 80°F - 140°F (26°C - 60°C)
Professional Classic Series Tankless Electric RTEX-3.5, RTEX-06 kW
- UEF up to 0.95
- Flow Rate up to 1.6 GPM (See specification sheet for the GPM on each model)
- Digital temperature control in 1-degree increments ranging from 80°F - 140°F (26°C - 60°C)
- Two 0.35 GPM aerators are included for optimal temperature output and performance
