Airthereal Electric Tankless Water Heater 18kW, 240Volts Endless On-Demand Hot Water Self Modulates to Save Energy Use Small Enough to Install Anywhere for 2 Showers, Evening Tide seriesEndless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you dont have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a traditional hot water heater with a tank.Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating energy compared to a typical tank water heater.Important Note: In order to install 18kW Electric Tankless Water Heater it requires 240 Voltage, 2 x 40 AMP Circuit Breaker Size and a set of 2 x (8AWG/2) wires. Please check to confirm that your breaker panel meet these specifications.Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.Wattage18000 wattsBulb Voltage240 voltsProduct informationTechnical DetailsBrandAIRTHEREALProduct Dimensions12.25W x 17.25HSpecial FeatureDry Combustion Protection, Integrated Error Code Indicator, Overheat Protection, LED DisplayColorBlackWattage18000 wattsVoltage240 VoltsHeat Output18 KilowattsEfficiencyHigh (exact value not provided)StyleIndoor InstallationMounting TypeWallManufacturerAirtherealUPC816621023836Part NumberEVT-18KItem Weight19.16 poundsCountry of OriginChinaItem model numberEVT-18KSize18kWInstallation MethodWall-MountedSpecial FeaturesDry Combustion Protection, Integrated Error Code Indicator, Overheat Protection, LED DisplayIncluded ComponentsElectric Tankless Water Heater 18kWBatteries Included?NoBatteries Required?No