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  • Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology
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Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology

| 29 answered questions

List Price: $469.00
Price: $362.06 & FREE Shipping. Details
You Save: $106.94 (23%)
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Ships from and sold by Amazon.com. Gift-wrap available.
  • LIFETIME WARRANTY for 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
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15 new from $362.06 7 used from $311.88
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Frequently Bought Together

Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology + Aqua-Pure AP430SS Hot Water System Protector + Aqua-Pure AP431 Scale Inhibition Replacement Cartridge, Easy Change High Capacity Water Filter for AP430SS
Price for all three: $461.76

These items are shipped from and sold by different sellers.

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  • Buy Used and Save: Buy a Used "Ecosmart ECO 18 Electric Tankless Water Heater, 18...” from Amazon Warehouse Deals and save 33% off the $469.00 list price. Product is eligible for Amazon's 30-day returns policy and Prime or FREE Shipping. See all Used offers from Amazon Warehouse Deals.

Product Information

Technical Details
Part Number ECO18
Item Weight14 pounds
Product Dimensions14 x 17 x 3.8 inches
Item model numberECO 18
Size17 x 14 x 3.5
Power SourceNo
Voltage240.00
Item Package Quantity1
Warranty DescriptionLifetime Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages.
  
Technical Specification
Additional Information
ASINB0047V0KSU
Best Sellers Rank #10,085 in Home Improvement (See top 100)
Shipping Weight14.5 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Shipping Advisory:This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
Date First AvailableOctober 19, 2010
  
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Product Description

From the Manufacturer

This Smart Technology electric tankless water heater is configured for climates where incoming water temperature is 62 Degree F and above. The ECO 18 is capable of heating over 2.5-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 62 Degree F. Two showers can be run simultaneously when incoming water temperature is above 70 Degree F in warmer climates such as South Texas, South Florida, New Mexico, Arizona and South California. These models come with a digital temperature control that allows you to set your temperature in increments of 1 Degree. Prior to purchase and installation please verify this model is the rights size for your hot water needs and electrical requirements.

Product Description

This Smart Technology electric tankless water heater is configured as a "whole home" model for climates where incoming water temperature is 62°F and above. The ECO 18 is capable of heating over 2.5 gallons per minute, which is the equivalent of one water saver shower head (with a 1.5 gpm flow) and one sink with a low inlet water temperature of 62°F, and an output setting of 105° F. Two showers emitting no more than 1.5 gpm each can be run simultaneously when incoming water temperature is above 70° F. Digital temperature control allows you to set your temperature in increments of 1°. 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. However, when sized properly it 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 18 requires a minimum 150 amp electrical panel for installation with (2) 40 amp double pole breakers connected to (2) sets of #8 awg wire. Plumbing connections are 3/4" NPT. For additional assistance please feel free to contact our support center at 877-474-6473.

Important Information

Bulb Voltage
240.00

Customer Questions & Answers

Customer Reviews

We really love the tankless water heater.
Constance J. LeBlanc
This water heater was easy to install and works great.
J. Franklin
Already saving money on the electric bill!
Terri Grimsley

Most Helpful Customer Reviews

122 of 131 people found the following review helpful By tony on March 4, 2012
Verified Purchase
I would first like to comment on the people that make up the eco smart company. I first was interested in a tankless hot water heater by talking to a few home owners who have them. Most of them had gas or propane. My home is total electric. Eco smart company builds electric tankless hot water heaters. When I called eco smart the first time, I talked to one of their techs. When giving him my information on the size, type, and usage of my house, he gave me the size water heater that I needed. He answered several questions that I had, also. I checked with two large chain home improvement stores in my area and they did not have a good selection of this kind of a product. There are two stores in town that sell eco smart products. This is where I got a lot of information on eco smart products. By now, I was convinced that eco smart was the company to go with. Thanks to amazon. com I found the best price, so I ordered the eco smart 18 to go in my house. I have had this product installed in my house now for a couple a months. We have been amazed at this product. It has done everything that the company says it will do and more. This product came with a lifetime warranty. I have talked to Albert that works with Eco smart a couple a times since I have installed my water heater. He has been very helpful in answering any questions I have had. I highly recommend this product and also,am very pleased with the concern of the eco smart company, that their customers are satisfied with their products.
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43 of 46 people found the following review helpful By brad on February 14, 2012
Verified Purchase
This is the best Water heater I have ever had! Fairly easy install. Running the 8 gauge wires was a a little hard and putting in 2 double pole 40s in the box wasnt to bad. We live in idaho and the water temp in the winter comes into our house at 32 degrees and with this we have nice hot water!
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54 of 60 people found the following review helpful By J. Fulmer on May 5, 2012
Verified Purchase
This is the third electric tankless water heater with which I have had some experience. The first two were of a different brand, but I opted to go with this one for my most recent foray because of the price and the reviews.

Like any installation of an electric tankless water heater, it's always easiest to do when you're doing new construction. Trying to retrofit a home for one of these would be much more difficult just because of the electrical requirements. In this case, I was installing in a volunteer fire department where hot water isn't used everyday but when it is used, they need a large volume of it. So it seemed ideal to use an electric tankless water heater. Thankfully, the location for the heater wasn't too far from the breaker box, and it wasn't too difficult to run the wiring because of a dropped ceiling that gave access where needed.

However, a cost that potential buyers should think about is the cost of WIRING. This installation requires two separate double-pole circuits with 8-gauge copper wire, and that is not cheap. In my case, I needed approximately 80 feet of wire for both circuits.

Hookup isn't difficult at all. The wire is understandably stiff for that gauge wire; so you have to be aware of it, but it's not insurmountable. Because there are two separate circuits, you must remember to keep the two hot leads for each circuit separate: that is, each double-pole circuit's hot leads need to stay paired up.

I used flexible water heater connectors (braided metal) for the plumbing side of it and then connected to CPVC. Again, it's not complicated.

Construction on the inside looks solid and actually quite elegant. The basic premise of the circuit is simple.
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47 of 54 people found the following review helpful By SoldByDon on May 2, 2012
Verified Purchase
I have purchased 3 of the ECO27 models and now this ECO18. The design of these units is very good but the final assembly quality control is poor. It appears that the major components are Chinese but final assembly may occur elsewhere.

Quality problems: Unit #1, an ECO27, arrived with a loud rattle inside, indicating some part had come loose; I did not open the unit but returned it for credit. As a replacement, Unit #2 arrived with a loose Romex connector (the nut had come off and was rattling around inside the enclosure) and the plastic protection caps for the water line connections were found loose in the box. The Ecosmart label on the face of the enclosure was installed improperly and my attempts to re-install it correctly left the enclosure with a partial label having damaged lettering. Unit #2 is now hooked up and working, but has insufficent capacity to heat a standard residential Jacuzzi bathtub at the tub's intended fill rate; it takes 30 minutes to fill the tub at a reduced flow rate required by the ECO27 in order to have warm tub water.

When conventional tank-type water heaters fail, they can quickly be replaced because the industry has standardized on tank design, so that replacements fit directly with minimal modifications to gas/electric connections and piping. However, the tankless industry has neither standard designs nor assured quick replacements available, so when a unit fails it could be days before a customer has hot water, and there could be a high labor expense for required modifications to the building's plumbing and/or electric systems to accomodate a different design replacement unit.
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