Professional Classic Series: RTEX-36
MODEL RTEX-36
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
Model Professional Classic Series Tankless Electric RTEX-36
GPM 6.5
High Efficiency Yes
Minimum Flow GPM 3.6
Maximum Flow GPM 6.5
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










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2.3-2.3 GPM
- UEF up to .96
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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)
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- UEF up to 0.95
- Flow Rate up to 1.6 GPM (See specification sheet for the GPM on each model)
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- Two 0.35 GPM aerators are included for optimal temperature output and performance


