When machining salver groupware is not connecting with base seat, it will cut off the power supply of heater and the groupware stops working.
当加工托盘组件未能适当得与基座接合时，加热器将被切断电源，加工托盘组件将停止工作。
2
And it also has safety framework of heater to cut out power supply of heater automatically when machining salver groupware is removed out of the base seat.
The invention discloses a water-level detection sensor for a solar water heater, which comprises floats, a sensor seat, a signal board and a protection hood.