Stainless steel kettle and the traditional hot water bottle which good
Traditional thermos insulation performance, as the growth of the use of time, gradually reduce.
The third: if the above are not work, as the temperature increases, the thermostat inside a plastic push rod will melt, the kettle without electricity.
The second: dry heating protection, such as steam switch action, water will always burn down and shrinking when water is lower than the lowest water level or when burning, the other a bimetallic strip temperature control will action, make the kettle power;
Stainless steel kettle and the traditional hot water bottle which good
