Rheem RTEX-13 Tankless Water Heater
Electrical installation requirementsWater flow and pressureSpace efficiencyComponent reliabilityMaintenance and flushing
6.8
Mixed Reception63
reviews collected
50
authentic reviews
13
sponsored removed
0
AI content removed
Community Verdict
A concise summary of what verified buyers consistently praise — and what they don’t.
Pros 3
- +Massive space saver
- +Endless hot water
- +Digital temperature control
Cons 4
- −High electrical demand
- −Low flow rates
- −Failing heating elements
- −Complex electrical requirements
What people are saying
3 quotes“
Installing a Tankless Electric Water Heater - Rheem RTEX 240v 13kw and removing my old gas tank heater. Massive space saver!
YouTube
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At the pressure you had it at if would be a trickle shower. Is that the problem with these tankless heaters, they have to have low pressure in order t
YouTube
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So the spec sheet says to use 1 60 amp 240 volt breaker, and to use 6 AWG. But it also says that the heater draws 54 amps.
Reddit
Where to Buy
Prices updated 5 days ago.
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