Model#: ECONECO11

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Brand new items;Full manufacturer warranty available
Manufacturer inspected, repaired and tested items; CPO 120 day money back guarantee
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New items with possible minor cosmetic damage; CPO 120 day money back guarantee
Returned items inspected, repaired and tested by CPO technicians; CPO 60 day money back guarantee

EcoSmart ECO11 240V 11 kW Electric Tankless Water Heater

  • EcoSmart ECO11 240V 11 kW Electric Tankless Water Heater
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With any EcoSmart product, rest assured knowing you are getting a top of the line, eco-friendly water heater that will not only provide continuous convenience, but also help save both money and energy for years to come. With so many advances in heating technology in the recent years, EcoSmart has become the leader in water heating technology.
The EcoSmart ECO11 tankless water heater is configured for climates where incoming water temperature is 67 degrees Fahrenheit and above. Suited to heat up to 2 Gallons of water per minute, the ECO11 Series heater is perfect for showers, sinks and other lower GPM flow applications. The ECO11 can also be used in colder climates as a Point of Use heater for sinks and other low flow applications.
  • Save up to 60% on your water heating cost with an EcoSmart electric tankless water heater
  • Provides continuous hot water for ultimate convenience
  • Patented Self Modulating technology and design
  • Designed with standard and reliable easy to service elements and heat exchangers that provide 99.8% energy efficiency
  • 11 kW 240V Electric Tankless Water Heater - ECO11
  • Owner's Manual
Compliance and Restrictions
warning: --


Length: 12 in.
Width: 9.5 in.
Height: 4 in.
Weight: 6 lbs.
Activation Flow: 0.25 GPM
Amperage: 57
Kilowatts: 11
Required Breaker: 60 Amp DP
Thermal Efficiency: 99%
Voltage: 240V
Water Connection: 1/2 in. CF
Wire Size: 8 Gauge



3.3 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Yes, I would recommend this to a friend (2)
No, I would not recommend this to a friend (1)
Yes, I would recommend this to a friend
Product is three years old and it started to shut down even if the water was flowing. Cleaned out the flow device and replaced the flow meter. Still not coming on. Waiting to hear from tech support.
March 10, 2016
No, I would not recommend this to a friend
Should have gotten the next model up
The ECO 11 chart for south Florida says one shower and two faucets. Not so. To fill a bath tub, I am restricted to a slow fill to make it hot enough. If I put the hot water faucet on, it runs too fast to allow the devise to heat up properly and you have a luke warm bath.....even though its the only hot water source running.
November 21, 2015
Yes, I would recommend this to a friend
best use barn, shop, pool house
built a 16' lean to on our 40' barn, half a patio other half finished with bath & a pool not far away great for family get to together. Love having hot water. Now you need to know how a tankless hot water heater is different from a tank hot water heater.

With a tank hot water heater when you get hot water on you have hot water tell you turn off or run out of hot water.

With a tankless hot water heater you will also get hot water, but when you turn it off then turn it back on you get hot water that in in the line between your faucet & heater then cold for same time then a little hotter for just a second then just the temp you you dialed in.

Not sure if I would like it in a house with kids but if you have a bath room a long way from your tank you would have hot water a lot faster. I think the best use would be in your barn, shop or some place you do not use hot water all the time. Or if just the two of you it will save you money.

Now in our bath room the water lines are in the room not in the walls, as we go south in the winter, we use a small heater & keep the room warm or think I can turn water off drain lines & blow the water out. The heater is about the size of a cereal box so we just hung it on the wall above the john. When we take a shower I do not use any cold water just dial in what temp. I want & turn hot water on if a little hot or cold I just reach over & adjust temp.

So at my place in life I would buy again.
January 25, 2015

Questions & Answers

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Is the installation easy?
A shopper on Sep 16, 2016