|Part Number||ECO 11|
|Item Weight||6.5 pounds|
|Product Dimensions||6.5 x 13.5 x 10 inches|
|Item model number||ECO 11|
|Size||12 x 8 x 4|
|Item Package Quantity||1|
|Warranty Description||Lifetime Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages.|
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EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
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- Lifetime warranty or residential use. Save up to 60% on your water heating costs with the most advanced, self modulating technology available
- Never run out of hot water with an ECOSMART tankless water heater.
- Save up to 12 cubic feet of storage space. Digital temperature control in 1-degree increments gives users complete control of hot water
- 11Kw at 220 is equal to 13kw at 240 and activation flow is 0.3 GPM
- The ECO 11 requires a minimum 125 amp electrical panel for installation with (1) 60 amp double pole breaker connected to (1) set of #6 awg wire.
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From the manufacturer
With the most advanced technology in water heating, our tankless water heaters can save you up to 50 percent on water heating costs. Select models are assembled with our very own patented self-modulating technology so they regulate exactly how much energy is needed to heat the amount of hot water needed. Not only do our top of the line tankless water heaters save you money, they are also compact and wall-mounted so you save valuable storage space for a new closet! To top it off our models are the only electric tankless water heaters with a lifetime warranty on the market
Electric Tankless Water Heater
EcoSmart electric tankless water heaters are leading the industry with the most talked about brand of tankless water heaters. Our patented self modulating technology allows our units to control their energy output to ensure optimal water heating. The ECO 11 is ideal for a small apartment or any small point of use application. It is designed to heat up to 2 gallons per minute and is optimal for weather of 67° F and above. It can be used for multiple or single applications depending on your climate. In warm climates, the ECO 11 can handle two sinks running simultaneously and one shower, or two sinks simultaneously in colder climates.
- Visit the official website for more information
- Endless hot water
- Save up to 50% in water heating costs
- Compact design, more storage space
- Digital temperature control
- Limited lifetime warranty
- Easily replaceable elements
- The most advanced self modulating technology available, meaning the ECO 11 will adjust how much energy is needs to be input based on how much hot water is needed
Endless Hot Water
When sized correctly your tankless water heater will provide you with endless on demand hot water. It heats water as it passes thru the unit, instead of storing hot water like a tank type water heater.
Save Money, Save Space, Save Energy
Save Money - EcoSmart tankless water heaters only turn on when you need hot water - plus they cut down on heat loss, saving you up to 50% in water heating costs.
Save Space - Traditional tank heaters take up a lot of space. But EcoSmart's sleek, wall-mounted design frees up floor space for more storage.
Save Energy - EcoSmart features the most advanced self-modulating technology, only using the amount of energy needed.
Determining your average inlet water temperature is important, this allows you to determine how well your unit will perform in your desired location.
Next you will determine how many applications your unit can run simultaneously at your chosen location inlet water temperature.
Determining specs and electrical infrastructure is important because without the correct infrastructure your unit may not fit onto your breaker panel.
|Model||ECO 8||ECO 11||ECO 18||ECO 24||ECO 27||ECO 36|
|Temp. Range 80°F - 140°F||✓||✓||✓||✓||✓||✓|
|Required Breaker||1 x 40 AMP||1 x 60 AMP||2 x 40 AMP||3 x 40 AMP||3 x 40 AMP||4 x 40 AMP|
|Wire Gauge||1 x 8 AWG||1 x 6 AWG||2 x 8 AWG||3 x 8 AWG||3 x 8 AWG||4 x 8 AWG|
|Size||11.5" x 8" x 3.75"||11.5" x 8" x 3.75"||17" x 14" x 3.75"||17" x 17" x 3.75"||17" x 17" x 3.75"||17" x 21" x 3.75"|
|Weight||4.75 lbs||6.5 lbs||11.25 lbs||13.75 lbs||13.75 lbs||17.4 lbs|
|Water Connections||1/2" CF||1/2" CF||3/4" NPT||3/4" NPT||3/4" NPT||3/4" NPT|
ECO 8 Electric Tankless Water Heater
The ECO 8 is one of the smallest electric tankless water heaters from EcoSmart. It can handle one sink in colder climates and up to 1 shower and 1 sink simultaneously in warm climates.
ECO 18 Electric Tankless Water Heater
The ECO 18 is the mid-range model that can heat over 2.5 gallons per minute. So it can handle a shower and a sink simultaneously in climates of 37°F and above. In warmer climates, it can handle two showers and two sinks at the same time.
ECO 27 Electric Tankless Water Heater
The ECO 27 is a higher range model that can heat 3 gallons per minute in cold climates. It can handle 2 showers simultaneously without running out of hot water. In warmer climates this unit can handle 4 showers and 1 sink simultaneously.
ECO 36 Electric Tankless Water Heater
The ECO 36 is the largest electric tankless water heater produced by EcoSmart. In colder climates as low as 37°F, the ECO 36 can heat a shower and two sinks simultaneously, and in warm climates, three showers and two-and-a-half sinks.
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|Sold By||Daily Drops||Amazon.com||Amazon.com||Amazon.com||iR Tankless||Amazon.com|
|Item Dimensions||13.5 x 6.5 x 10 in||13.5 x 13.75 x 13.75 in||9 x 4 x 13 in||3 x 12.25 x 6.5 in||11 x 17.3 x 3 in||21.5 x 19.5 x 8.5 in|
This Smart Technology electric tankless water heater is configured as a "whole home" model for climates where incoming water temperature is 67°F and above. This model is well suited for heating up to 2-Gallon per minute, which is the equivalent of one shower head (with a 1.5 gpm flow) and one sink with a low inlet water temperature of 67°F and an output setting of 105°F. Digital Temperature Control allows you to set your temperature in increments of 1 Degree. This model can also be used in colder climates as a Point of Use for a sink or other low flow application. All tankless water heaters are sized based on flow rate and temperature rise, and there is a direct relationship between the two. So if used in a cold area requiring a high temperature rise, it will be more limited in the amount of fixtures (gallons per minute) it can heat at one time compared to a warmer climate. When sized properly this water heater will provide endless hot water and only consume the energy needed, giving the user complete control. Prior to purchase and installation please verify this model is the right size for the expected demand and electrical requirements. The ECO 11 requires a minimum 125 amp electrical panel for installation with (1) 60 amp double pole breaker connected to (1) set of #6 awg wire. Plumbing connections are 1/2" compression fitting with the option of 1/2" NPT adapter included. For additional assistance please feel free to contact our support center at 877-474-6473.
NOTE : 11Kw at 220 is equal to 13kw at 240.
From the Manufacturer
This Smart Technology electric tankless water heater is configured for climates where incoming water temperature is 67 Degree F and above. This model is well suited for heating up to 2-Gallon per minute, which is the equivalent of one shower head (with a 1.5 gpm flow) and one sink with a low inlet water temperature of 67 Degree F. Digital Temperature Control allows you to set your temperature in increments of 1 Degree. This model can also be used in colder climates as a Point of Use for a sink or other low flow application. Prior to purchase and installation please verify this model is the rights size for your hot water needs and electrical requirements.
Top customer reviews
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I have two of these units, one for DHW (Domestic Hot Water) and the other to operate our whole house hot water baseboard system. Some information is hard to find, and other information is a closely guarded secret and cannot be obtained anywhere online. I'll focus on these areas.
The unit is rated at 27KW at 240 volts. Internally, it is three separate 9KW heaters, operating in series and in sequence based on demand. The unit is truly self-modulating and will not provide more heat than the load requires.
Each individual heater requires a dedicated 240 circuit, rated at 40 amps, and provided via #8 wire. For the Ohm's law fanatics, each unit draws 37.5 amps under full load, for a total system load of 112.5 amps. Anybody that tries to operate this unit off of a 100 amp main breaker deserves what he gets. We have ours connected to our main 150 service, and can get away with it because everything else in the house is "green" and we can operate everything else with the 37.5 amps available if the heater is running under full load.
I'll say this again: Each internal unit requires a separate, dedicated 240 volt 40 amp circuit, equalling a total of three separate #8 wire 240 volt circuits. I hope I made that plain enough.
The heat exchangers inside the heater are 3 copper pipes, cross connected in series with about 1/2" dia. copper sections. So there is a flow restriction, but nothing as radical as some of the reviews would have us believe. Some reviewers have posted that their hot water is down to a trickle. I've been inside this unit from top to bottom. If your hot water only dribbles, it is time to clean your pipes or replace your valves. We have not been able to observe a loss of flow anywhere in our house, enough said about that.
The upper temperature limit is 140 degrees F. That is a difficult number to discover, but it is out there if you do your homework. Regardless, 140 is the hard upper limit in DHW mode. This is not a limitation of the unit, it is a safety limitation to minimize the chance of someone scalding themselves, and EcoSmart states this all across their web pages.
Here's the undocumented stuff:
EcoSmart supports hot water heating, and even provides plumbing diagrams. However, they will not tell you how to get 160 or 180 degree water. There are internal jumpers in the heater that allow you to limit the maximum output temperature to 105 degrees (handy for the elderly or where there are small children playing with the knob), and it is also possible to set a wattage limit across the 3 heating elements. The factory setting is 9KW per element, and 140 degrees max. output. At the very top of the jumper strip is one marked "180". With power removed, place a jumper on these two pins and the unit will allow a setpoint of up to 180 degrees when power is restored.
Most hot water heating systems operate best in the 160 degree area, and the older oil fired boilers actually used a setpoint of 200 degrees. Clearly, a heater with an upper limit of 140 degrees could cause poor performance of most baseboard hot water systems, and many of the newer hydronic systems. We replaced an antique oil fired boiler with the ECO27, and placed the setpoint at 160 to get started. The performance is nothing short of amazing, and I've actually dropped the setpoint to 150 until we get into the dead of winter. It is very nice to know that we have a reserve available.
EcoSmart provides a wealth of information about the capability of this unit. I see over and over again that people can't (or won't) get their heads around a lot of what's commonly available. Simply, if you need 4 GPM, the best this unit can do is heat the water by 46 degrees. In other words, if you want a 110 degree shower (at a ridiculous 4 GPM), you must have incoming water of at least 64 degrees. If you live in an area where your water source is about 50 degrees, you will get 96 degree showers at 4 GPM. The obvious solution is to spend $20 and get a low-flow shower head. At 3 GPM this unit can give you a 110 degree shower with incoming water of only 49 degrees. At 2 GPM this unit will provide the full 140 degree setpoint with 50 degree incoming water.
In boiler service, obtaining 160 degree water will require incoming water of at least 114 degrees. Most hot water heating systems operate with a differential of less than 20 degrees, so this unit is just loafing along while providing 160 degree water to your baseboard units. Also, most standard hot water heating systems have a design of either 1 GPM or 4 GPM. The temperature rise chart from EcoSmart demonstrates that a temperature rise of 184 degrees is possible at 1 GPM. Again, most hot water systems operate with a differential (or "Delta-T") of around 17 degrees, often less. The actual temperature setpoint isn't the focus as much as being able to maintain the differential is. So for a 180 degree output, we need to feed the heater with 163 degree water. At a mere 17 degree rise, this heater can easily flow well beyond 6 GPM, probably closer to 10 GPM, but we only need a max. of 4 GPM. So for boiler service, it is a perfect solution. It is small, silent and smart.
If you're considering this unit for hot water baseboard or hydronic service, it is capable of 92,000 BTU/hr.
It has been incorrectly represented that this is the largest electric tankless available. The largest commonly available electric tankless is 36KW. Just to set the record straight.
Overall, I give this unit 5 stars. Price, reliability and technical support are right up there. The unit comes with a lifetime warranty when professionally installed. Cleaning and maintenance is accomplished with a Phillips screwdriver, no more pipe wrenches and fiberglass insulation to contend with. The unit is so small and lightweight that I actually carried it into the house under one arm, installed it and said nothing. Nobody knew that I'd done this until days later!
The unit supports a remote thermostat which is very inexpensive and is waterproof. The little remote connects with telephone wire and is perfect for a location next to your sink or shower.
We are a 3 adult household, using all of the "normal" things, doing laundry, taking showers, washing dishes, etc. I have been able to purposely cause the heater to fail to keep up, and that was by running the tub wide open. In any other situation, two showers at once, someone in the shower, someone else doing laundry, etc., I have yet to hear a single complaint. All I ever hear is how wonderful it is to have a long shower, or not have to wait 1/2 hour, etc. The days of my wife complaining about no hot water for the dishes because I took a long shower have ended!
This is a true, self-modulating unit. People that have reported lights flickering and their TV having problems need to look at their house wiring. The unit starts softly, just like turning up a light dimmer. There are no flashing lights in this household. The only way I've ever been able to tell if the unit is running is to actually look at it - The display is only lighted when the unit is operating.
Not to be overlooked is the energy savings. A tank heater will cycle 24/7, to maintain a tank full of hot water, even if you're on vacation. The tankless does absolutely nothing unless it detects water flow. Through an intelligent design EcoSmart units ignore faucet drips and won't send hot water to drippy faucets. The minimum flow to start the unit is 1/4 GPM.
Hope this helps to quash some bad information and get accurate information posted.
Make sure you use #6 electric cable, it's the recommended and safer cable width. You will need three cables and a 60 amp breaker. For the water pipes. You will NOT need any water heater hose. You only need to adapt the house water pipes to the heater with pressure fitting (which are included with the water heater) make sure that after you install all, BUT before feeding the heater with electricity, open all the house hot and cold water faucets to remove all the air inside the pipes. THEN, feed it with the electricity. After this you will be amazed by its performance.
The only thing that I am concern is: how much time will this water heater will last without any problems? For me anything beyond 2 years is acceptable. Before 2 years will be very disappointing. So I will be informing you during time, to tell about it's performance.
If you have read all my review, like it, so I can be more motivated to give you more updates.
So far this product is definitely a MUST BUY... And if you have any doubt if this water heater will work for all your house, the answer is yes. It has more than enough heating capacity for any normal house unless you have a huge house with 3 bathrooms or more and expects 3 or more persons taking a bath or shower at the same time.
WOW, My first electricity bill came and I save 33 dollars compared to the previous month. Nothing in my house has changed from previous billing cycle to this current cycle. At this pace the investment will pay for itself in like 6 months, that its VERY IMPRESSIVE!!!
SECOND UPDATE (DEC 9, 2013)
It's been 14 months since I installed this water heater and it is working beautifully and it paid for himself in energy savings alone. This product is worth every cent. I hope it last more years...
UPDATE (5/15/2016): It had performed flawless for about 4 months. Then, suddenly, one day it said "OFF" and nothing we did (even with tech support via phone/email) fixed the problem. So, we had 3 days of cold water in the home until a new controller card arrived. Installed it (pretty easy) and voila! we're back in business. Tech support was easy to reach and the part was delivered via 2-day service. However, since then, it has turned itself completely off (not even light up) for no apparent reason. No breakers tripped... but recycling the breakers restored service. It has been a month now since last time it did that. -- I am still very happy with the purchase and would recommend it for anyone thinking about trying it.