To program your EcoSmart ECO 18KW Electric Tankless Water Heater for a cement floor in your garage, follow these steps: Turn on the Heater: Ensure the water heater is powered on and the display is active. Set the Temperature: Use the digital control panel to set the desired water temperature. The temperature range is typically 80°F to 140°F (26°C to 60°C). Adjust for Floor Heating: If you're using the heater for floor heating, set the temperature to a comfortable level that will evenly heat the cement floor2. Program the Schedule: Many tankless water heaters have programmable settings. Set the heater to turn on and off based on your schedule to maintain the desired temperature. Test the System: Run the system to ensure it heats the floor evenly and maintains the set temperature.