Rheem RTEX-04 Water Heater Review - Pros and Cons featured image

Rheem RTEX-04 Tankless Water Heater Review – Pros and Cons

The Rheem RTEX-04 Tankless Water Heater is designed for efficiency and convenience, featuring a push-button ON/OFF control complemented by an LED temperature display for easy operation. With a 6.5 kW model, it offers a flow rate of up to 1.0 gallons per minute (GPM), making it ideal for supplying hot water to 1 or 2 sinks.

Its compact design includes bottom 1/2″ NPT water connections, ensuring a straightforward installation process. This tankless electric water heater provides on-demand, consistent, and continuous hot water, eliminating the wait for hot water and enhancing energy efficiency. The Rheem RTEX-04 is a practical solution for small spaces requiring a reliable hot water supply without the bulk of a traditional water heater.

Pros

Energy Efficiency

The RTEX-04’s ability to supply hot water on demand for one or two sinks makes it a highly energy-efficient solution, particularly for businesses or households looking to minimize waste and energy consumption.

Aesthetic Design

Users appreciate the heater’s pleasing design and display, which not only provides essential information like water temperature but also enhances the appearance of the installation area.

Installation Convenience

The inclusion of an electrical pigtail and robust water connection fittings simplifies the installation process, making it accessible even for those with minimal technical skills.

Space-Saving

Its compact size allows for versatile installation options, including under sinks or on walls, freeing up valuable space in smaller areas like laundry rooms or apartments.

Quality Construction

Rheem’s commitment to quality is evident in the RTEX-04, with heavy-duty materials and thorough factory testing ensuring reliability and durability.

Immediate Hot Water Supply

The unit effectively eliminates wait times for hot water in remote bathrooms or kitchens, maintaining a consistent output temperature and improving convenience.

Versatile Application

From supplementary kitchen setups to small apartments, the RTEX-04’s performance meets a range of hot water needs, with users noting its steady temperature maintenance and compact footprint.

Cons

Temperature Fluctuations

In situations where water usage is simultaneous across multiple points, some users have noted temperature fluctuations, which may affect the comfort of use.

Initial Temperature Delay

While not an instant heater, there’s a brief wait for the water to reach the desired temperature, which might be a consideration for users expecting immediate hot output.

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Conclusion

The Rheem RTEX-04 Tankless Water Heater stands out for its efficiency, ease of installation, and compact design, making it an excellent choice for targeted hot water needs. Its build quality and reliability are consistent with Rheem’s reputation, offering peace of mind to users. While there are minor considerations regarding temperature fluctuations and the brief delay in heating, these do not significantly detract from its overall performance and value. For confined spaces or specific applications requiring a consistent hot water supply, the RTEX-04 is a compelling option worth considering.