The device is not to be cut off, electricity flows through the wire is cut, heat, electricity.Don't let the heat flows through the wire by cutting electricity.When the temperature of the water is about 90-100 degrees.
As cutting electricity to flow through the heating wire can cut the electricity to flow through the wire is heated by electricity will be cut off when the water temperature is about 90 100 degrees.
A cutting device for electricity from flowing through the heating wire is cut by electric heat to flow through the wire will cut off the electricity. When the temperature of the water for about 90 - 100 degrees.