Make sure that the power supply of the water heater is connected and running normally.
Open the panel or control panel of the water heater and look for buttons or options for health and antibacterial functions.
Choose health and antibacterial functions according to the instructions of the water heater.
After confirming the selection, the water heater will start the ultraviolet sterilization device and start the antibacterial treatment.
Wait for a period of time, usually a few minutes to dozens of minutes, to complete the bacteriostatic process.
After the bacteriostasis is completed, the water heater will automatically turn off the healthy bacteriostasis function.
You can use the hot water provided by the water heater to enjoy the antibacterial effect.