Rheem Professional Classic Series: RTEX-04, RTEX-06 Series

Professional Classic Series: RTEX-04, RTEX-06

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
  • 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

 RTEX-04 0.9
 RTEX-06  1.5

  • 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


Professional Classic Tankless Electric RTEX-06
Specification Sheet
Tankless Electric-1-Use & Care Manual
Professional Classic Tankless Electric RTEX-04
Specification Sheet
Tankless Electric Use & Care Manual POU Tri


Heating Chamber - 5 Years
Parts - 1 Year

KwikComfort® Financing can help make your purchase even easier.
Rheem makes it easy to find a financing option that works for you! With many options and benefits available, KwikComfort Financing is the best way to get the home comfort you need without the wait.

  • Applications made easyWe'll help you avoid lengthy contracts, headaches and hassles.
  • Kwik credit decisionsYou'll get an answer to your application within minutes.
  • Fast credit for the futureFinance your Rheem equipment and anything you want to add later.
  • Reduced interest/fixed paymentsGet low interest and fixed monthly payments until the purchase is paid.
  • Minimum monthly paymentTake advantage of convenient monthly payments that fit your budget.
  • Deferred interest/no interestEnjoy interest-free payments as long as the balance is paid by the due date.