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rheem rtex-18 electric tankless water 🚿 heater - 18kw, 240v, small - gray logo

Rheem RTEX-18 Electric Tankless Water 🚿 Heater - 18kW, 240V, Small - Gray Review

3

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Average

Revainrating 3.5 out of 5Β Β 
RatingΒ 
3.7
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Description of Rheem RTEX-18 Electric Tankless Water 🚿 Heater - 18kW, 240V, Small - Gray

External digital thermostatic control with LED display (+/1 degree accuracy). Most advanced self-modulation, adjust power to meet hot water demand. Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM. Simple installation – bottom 3/4 inch NPT water connections. Threaded for easy replacement, simple installation, digital temperature display.

Reviews

Global ratings 3
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Type of review

Revainrating 5 out of 5

The best kettle ever!

I am so impressed with this water heater! No relay clicks, just total silence. Only hot water of your choice. You choose the temperature setting and it takes over from there! We (both of us) have a dishwasher, kitchen sink, laundry sink, bathroom sink and bathtub, it all depends on this little guy and we never have a shortage! The set temperature lights up when you open a valve somewhere. I'll tell you one thing, because the bathtub faucet has no limits like sinks or even a shower head, the…

Pros
  • Durable Two copper immersion heaters, field service. Flow Rate - up to 4.4 GPM
Cons
  • Functionality

Revainrating 5 out of 5

The perfect water heater is hard to find!

If you use this type of water heater, be ready to do some research and make changes. One size does not fit all water needs. This was our third attempt at hot water for a studio apartment. Read many reviews, returned 2 other water heaters after not delivering what they claimed in their boxes. Spending a lot of time on the phone with tech support just trying to find out if their products advertise good reliable results based on our region was useless. This product shone above the rest! Fairly…

Pros
  • Most advanced automatic modulation, power adjustment according to hot water demand
Cons
  • Some errors

Revainrating 1 out of 5

NOT WORKING, INTERNAL ERROR

Not working. According to the manual, it is an internal fault. Based on the internet, this is a common problem. So, just to clarify, we removed our old water heater, remodeled the house to install the new water heater, rerouted the plumbing to accommodate the new water heater, repaired the wall to accommodate the new water heater, and it all got clogged on and the part that heats the water doesn't work. . I did this without a water heater. Of course, I returned the defective product, received a

Pros
  • External digital thermostat with LED display (+/1 degree accuracy)
Cons
  • Reliability