Manufacturers use 120 degrees Fahrenheit as a standard temperature when presetting your water heater at the factory. This temperature is sufficient for most households. If you have an older model, you can set the thermostat at medium. Gas models usually have a dial on the front of the gas valve. Electric models usually have two thermostats hidden behind the two panels on the side.
It is also important to keep in mind that hot water minimizes the growth of bacteria.
The recommended temperature for your particular needs can be determined by your Miami 24/7 Plumbing professional.
Note: Before performing any personal maintenance, turn off the electricity to the water heater. There may be exposed wires behind the panels that may cause an extreme shock.