EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts

  • 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.
  • 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.

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.

Why EcoSmart?

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

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.

Product Features
  • 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 it needs to be input based on how much hot water is 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. 

Product Information

Model ECO 11
kW 13
Voltage 240
Temp. Range 80°F - 140°F
Max Amperage 57
Required Breaker 1 x 60 AMP
Wire Gauge 1 x 6 AWG
Size 11.5" x 8" x 3.75"
Weight 6.5 lbs
Water Connections 1/2" CF

Related Items