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Tankless Water Heater, Residential, Electric, 11 kw Reviews

4.5 Rating 101 Reviews
18kw I live in Orlando Fl - two bath house family of 5. Kids 12-6-1 we can all take a bath and or shower in the evening without having to wait for the water heater to hear back up. My 12 year old likes to take hr long showers - I just go turn the temp down and or turn off the water if she won't get out. It's become a game of sort East install-I did it myself including new wire to sub panel. Saves space and works! Get one you won't regret it. Added a utility sink where the old tank was
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Posted 2 years ago
Needs low flow show heads to work effectively. No rain shower heads.
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Posted 2 years ago
Happy with the cost, same as a conventional. Wish the unit came with other parts like an insulated bushing assembly for the 3 heavy duty wires that go INTO the water heater for its power installation. Bad mojo to leave the wires up against the edges of the metal like that. The reason why I give 3 stars is because of that, because I had to make a couple trips back and forth to retrieve THOSE items.
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Posted 2 years ago
Ran electric, 3 40-amp bi-pole breakers, 3pair 8awg and 1 8awg ground. Line drops to 1/2" copper 12' in home, went to 3/4" 10' before tankless and drop back to 1/2" 10' after. I have had no issue with brass fitting and pex push-in. There is slightly longer lag time than from previous gas tank but it's seconds and nothing that concerns me. I will be adding an 8kw Rheem point of use, when I upgrade my 1/2 bath to full bath after saving space from water heater :)
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Posted 2 years ago
Easy to install, easy to set temperature, and works like a charm! We’ve had it now for several months and so far it’s been perfect!
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Posted 3 years ago
While I’ve had two other on demand hot water heaters in the last 30 years this is my first Rheem. It’s by far the easiest to install and adjust.
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Posted 3 years ago
I used this in my RV while I am building a house. My plumber installed it. About a week into use the unit did not get as hot as before. I think a heating element went out. Then we has a cold snap and it froze and now it leaks… taking it out.
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Posted 3 years ago
I had read a number of reviews where there was an issue with leaking connections. This came with two options, compression fitting or threaded. I opted for threaded as I needed to adapt to 1/2" PEX. The set of fittings each had a chamfer to accept the compression ring (aka "olive"). So I cut about an inch of copper tubing for the olive to remain in perfect position once assembled. Coated it with sealing paste lightly. And for the threads I used thread past along with Teflon tape. (Yes, overkill. But there were a lot of complaints so I did the belts and suspenders approach.) And that was four months ago and the unit is performing flawlessly! Zero leaks.
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Posted 3 years ago