Rheem - RTE 13 Electric Tankless Water Heater, 4 GPM


RTE 13

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Category: Tankless, Water Heater

Type: Boiler


Shop With Confidence
As of April 2017 Rheem discontinued the RTE 13 and replaced it with RTEX -13
Continuous on demand, hot water and a compact design means this Electric Tankless Water Heater is perfect for point-of-use applications. It can heat a maximum of 4 gallons per minute. When compared to traditional water heaters, it's energy efficient. The Rheem RTE 13 is great for homes, condos, hospitals, boats, offices, laboratories, and anywhere hot water is needed.


  • Can heat a maximum of 4 gallons per minute
  • Energy efficient when compared to traditional water heaters
  • On-unit temperature control
  • LEDs indicate active element and standby mode
  • Standard 1/2 in. water connection
  • Rugged brass/copper heat exchanger
  • Modulating power.
  • Next Generation Burner Technology.
  • 8.4 gal./min. at 35A-Degree F rise max.
  • 6.6 gal./min. at 45A-Degree F rise.
  • 26 GPM Minimum Flow Rate.
  • Outdoor Installation Only

Customer Reviews

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Ask a Question
  • What is the amp breaker required

    The tankless water heater requires a 60 amp breaker

  • Is this 120 or 240 volt?

    The Rheem RTE 13 is a 240 Volt tankless water heater. 

  • Can we install in basement for whole house application?

    Yes, it can be installed in your basement for use with applications within your house however 4 GPM might not be sufficient for multiple applications.  

  • Is this Rheem RTEX13 made in the U.S.A.?

    Rheem manufactures their tankless water heaters in China

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