256-6453 2566453 Temperature Sensor for CAT E330D E345D After the water inlet process is completed, the computer in the temperature control part sends a command to the electric valve that supplies the heat medium to "open", and the system starts to heat the water in the container. When it comes to the set temperature. The controller issued a command to close the valve, cut off the heat source, and the system entered the insulation state. In the process of programming, the electric control valve that controls the heat source is not opened when the system does not reach the safe water level, so as to avoid heat loss and accidents. Our products are according to the standard of OEM to manufacture.