Also to ease making the connection from collector temperature sensor to control unit, a double-tipped silicon cable is attached besides the hose and insulation.
太阳能连接软管可以简便地从温度传感器连接到控制器，他除了软管和绝缘层外，还附加了一个电缆。
2
Do not water when the unit so that power cable, power cord so as to avoid fracture.