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Rheem 240V Heating Chamber RTEX-13 Review

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By Best Choice team
Checked icon Last updated - April 23, 2025
8.9

Verdict overview

  • Easy installation 9.1
  • worth the money 8.6
  • Temperature Control 8.9
  • Efficient Energy Use 9.1
Pros
  • Easy to install in small spaces.
  • Precise temperature control with LED display.
  • Ideal for point-of-use applications.
Cons
  • Cold water may stop heating.

Tech specs

heat output 13 Kilowatts
maximum flow rate 3.17 Gallons Per Minute
product dimensions 8.25W x 12.63H
color Gray
thickness 1 Inches
item weight 0.01 ounces
special features LED Display
batteries included No
special feature LED Display
voltage 240 Volts
wattage 13 KW
item package quantity 1
customer reviews4.4 4.4 out of 5 stars 1,211 ratings 4.4 out of 5 stars
batteries required No
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Product Overview

The Rheem RTEX 13 Residential Tankless Water Heater is a great choice for those looking for a reliable and efficient solution to their hot water needs. This tankless water heater is powered by a battery and features an external adjustable digital thermostatic control with LED display as well as durable copper immersion two heating elements. I found the installation process to be straightforward and simple, with 1/2 NPT adapters included and side 1/2 inch compression water connections readily available.

In terms of energy efficiency, the Rheem RTEX 13 is 99.8 energy efficient, making it ideal for those looking to save money on their electricity bills. The temperature can also be adjusted in increments of 1 F with external controls, allowing users to customize their hot water experience. Furthermore, the unit also comes with a Water Saver Shower Head that has a flow rate of up to 3.17 GPM, making it great for those who need higher pressure in their showers.

I personally found this product to be great for my needs and was impressed by how easy it was to install and use. The temperature control was accurate and the adjustable thermostat gave me the flexibility I wanted when it came to controlling my hot water experience. Additionally, I found the energy efficiency rating to be quite impressive, leading to lower electricity bills over time.

Overall, I highly recommend this product for anyone looking for an efficient and reliable tankless water heater solution. It s easy to install, offers excellent temperature control capabilities and is incredibly energy efficient all at an affordable price point too! Whether you re looking for a basic heater or something more advanced, the Rheem RTEX 13 is sure to meet your needs.

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The secret behind our reviews

By Best Choice team

Best Choice Team is your go-to source for curated product recommendations across various categories. Leveraging years of industry experience and advanced AI technology, we analyze data from multiple sources to bring you the most relevant and up-to-date product lists.

Our AI-driven approach allows us to streamline the selection process, ensuring that the products we feature align with current market trends and consumer preferences. We aim to provide content that helps you navigate your purchasing decisions with greater ease Like.

Users reviews

89% of reviewers would recommend to a friend, Based on 2,422 Reviews

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