1. Inspect the water heater for any visible signs of damage or wear and tear
2. Check for leaks in the pipes, valves, and other components
3. Test temperature settings to ensure safe operation
4. Clean sediment buildup from inside the tank and flush out old water
5. Replace damaged parts such as heating elements, thermostats, pressure relief valves, etc
6. Perform routine maintenance to extend the life of your water heater
7. Re-check all connections for proper installation and safety