Location of discovery 3 warm water valve

Discovery 3 heater water valve is located between the main water tank and the heater water tank. According to the relevant public information, the position of the water valve is between the main engine water tank and the warm air water tank, and the specific position varies according to the position of the vehicle. You can find it along the water pipe connecting the warm air water tank with the main engine water tank. The warm air water valve is the warm air switch of the automobile heater. The working principle of the automobile heater is that the radiator in the heater is connected with the circulating water of the engine through the inlet and outlet pipelines, and the water valve is a switch. The water valve is opened, the waterway is connected, the circulating water of the engine enters the radiator, and the fan blows heat into the cab. On the contrary, the water valve is closed and the warm air doesn't work.