ECO 27 Tankless Electric Water Heater kW 240 Volt - OPEN BOX. The item "ECO 27 Tankless Electric Water Heater kW 240 Volt OPEN BOX" is in sale since Saturday, April 24, 2021. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Water Heaters\Tankless Water Heaters". The seller is "mddeals5" and is located in Orland Park, Illinois. This item can be shipped to United States.