A flow path of hot water can be provided with a water inletcontrolvalve, a temperature sensor, a water return pump and a cold-hot valve.
热水流程可以按装进水控制阀，温度传感器、回水泵、冷热阀门。
2
When the water level drops, the main valve is composed of a floating ball switch control to open the water inlet to the water tank, automatic replenishment.
当水位下降后，主阀由浮球开关控制打开进水口向水池汪水，实现自动补水。
3
Implements by the relay to the electric motor, the inletvalve, draw-off valve's control.