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Residential Products
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HomeProductsHomeownersWater HeatersTankless Water HeatersProfessional Classic Series: RTEX-04, RTEX-06

Professional Classic Series: RTEX-04, RTEX-06

MODEL RTEX-04
Heating Chamber - 5 Years
Parts - 1 Year
  • 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
Models

SKU RTEX-04
Model Professional Classic Tankless Electric RTEX-04T kW
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 
  • 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
Applications
  • Standard Hand Sink – 0.5 GPM
  • Water-Saver Shower Head – 1.5 GPM
  • Washing Machine – 1 to 1.5 GPM
  • Kitchen Sink – 1 to 2 GPM
  • Dishwasher – 1 to 2 GPM

Average Gallons Per Minute (GPM) based on 2010 Plumbing Standards


MODEL NUMBER  MAX FLOW (GPM)
 RTEX-04 0.9
 RTEX-06  1.5

Heating Chamber - 5 Years
Parts - 1 Year

AutodeskNo LeadElectricULIntertek ETL C US

More Residential Rheem Products

Find additional documentation by viewing these related products.

Performance Series Tankless Electric RETEX - 04T, 06T kW
  • Saves Space – Up to 98% smaller than a standard electric water heater
  • Saves Energy – Zero standby heat loss when installed at the point-of-use
  • Efficient Design – UEF up to .95 and advanced self-modulating technology only consumes the power needed to satisfy hot water demand
  • Durable copper sheathed heating elements are replaceable, easy to maintain and improves service life
  • Digital thermostatic temperature controls in 1-degree increments ranging from 80°F - 140°F (26°C - 60°C)
  • Designed to be mounted in an upright position with the inlet and outlet water connections at the bottom of the unit for ease of installation
  • Venting is not required to operate, simplifying the installation process compared to a gas tankless water heater
  • Includes two optional 0.35 GPM aerators (flow restrictors) for optimal temperature output and performance
Performance Series Tankless Electric RETEX - 04T, 06T kW
  • Saves Space – Up to 98% smaller than a standard electric water heater
  • Saves Energy – Zero standby heat loss when installed at the point-of-use
  • Efficient Design – UEF up to .95 and advanced self-modulating technology only consumes the power needed to satisfy hot water demand
  • Durable copper sheathed heating elements are replaceable, easy to maintain and improves service life
  • Digital thermostatic temperature controls in 1-degree increments ranging from 80°F - 140°F (26°C - 60°C)
  • Designed to be mounted in an upright position with the inlet and outlet water connections at the bottom of the unit for ease of installation
  • Venting is not required to operate, simplifying the installation process compared to a gas tankless water heater
  • Includes two optional 0.35 GPM aerators (flow restrictors) for optimal temperature output and performance
Performance Series Tankless Electric RETEX-8, RETEX-11, RETEX-13 kW
5-5 GPM
  • UEF up to .96 
  • 8 kW model flow rate up to 2.0 GPM
  • 11 kW model flow rate up to 2.7 GPM
  • 13 kW model flow rate up to 3.2 GPM
  • Digital thermostatic temperature controls ranging from 80°F - 140°F
  • Copper heat exchanger
  • Side ½” CF water connections
  • Warranty 5 Years - Leaks, 1 Year – Parts