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Residential Products
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HomeProductsHomeownersWater HeatersTankless Water HeatersProfessional Classic Series Tankless Electric RTEX-24 kW, RTEX-27 kW

Professional Classic Series Tankless Electric RTEX-24 kW, RTEX-27 kW

MODEL RTEX-27
Heating Chamber - 5 Years
Parts - 1 Year
  • UEF up to .93
  • Flow rate up to 6.6 GPM (See specification sheet for the GPM on each model)
  • 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)
Select GPM
7
GPM
Models

SKU RTEX-27
Model Professional Classic Tankless Electric RTEX-27
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, 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

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-04T kW, RTEX-06T kW
  • Efficient Design – UEF up to .95 and advanced self-modulating technology only consumes the power needed to satisfy hot water demand
  • Flow Rate up to 0.25 GPM
  • Digital thermostatic temperature controls in 1-degree increments ranging from80°F - 140°F (26°C - 60°C)
  • Includes two optional 0.35 GPM aerators (flow restrictors) for optimal temperature output and performance
  • Stainless steel heat exchanger reduces corrosion for long life
  • Brass 1/2" NPT fittings located on the bottom for the inlet and outlet water connections
Professional Classic Series Tankless Electric RTEX-04T kW, RTEX-06T kW
  • Efficient Design – UEF up to .95 and advanced self-modulating technology only consumes the power needed to satisfy hot water demand
  • Flow Rate up to 0.25 GPM
  • Digital thermostatic temperature controls in 1-degree increments ranging from80°F - 140°F (26°C - 60°C)
  • Includes two optional 0.35 GPM aerators (flow restrictors) for optimal temperature output and performance
  • Stainless steel heat exchanger reduces corrosion for long life
  • Brass 1/2" NPT fittings located on the bottom for the inlet and outlet water connections
Professional Classic Series Tankless Electric RTEX-08 kW, RTEX-11 kW, RTEX-13 kW
5-5 GPM
  • UEF up to .96
  • Flow rate up to 3.2 GPM (See specification sheet for the GPM on each model)
  • 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-08 kW, RTEX-11 kW, RTEX-13 kW
5-5 GPM
  • UEF up to .96
  • Flow rate up to 3.2 GPM (See specification sheet for the GPM on each model)
  • 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)