One is the direct heating type, in which the electrified electric heating tube and electromagnetic tube are put into water for heating. In use, there are some problems such as aging or damage of anti-leakage devices, which cause leakage and have certain security risks.

The second is indirect heating, which uses electric energy to turn some water into steam, and then uses the heat of steam to heat the water in the basin to avoid direct contact between charged equipment and the water in the basin.

In contrast, indirect heating is safer.

Extended data:

Safety precautions:

1. When starting the machine, make sure there is water in the basin, and dry burning is strictly prohibited.

2, pay attention to the water temperature is moderate, about 40℃.

3, don't stand in the process of soaking feet, in order to avoid cracking, dangerous.

4. It is forbidden to wipe and clean the barrel with chemicals such as alcohol.

5, can't drag the power cord to move the foot bath, so as to avoid power cord damage and leakage, causing accidents.

6, regular cleaning and disinfection, if the family has athlete's foot, it is best to do one person and one pot, do not mix.

People's Network-Good foot bath is not in depth.