2. In the drawing, the main valve of the outlet pipe is framed by a green edge, and the small valve of the distribution pipe is framed by a red line. The normal outlet state is that the main valve is parallel to the outlet pipe, and the small water valve is vertical to the outlet pipe.
3. The small water valve of the water pipe does not move, and the second to fourth small water valves are twisted 90 degrees to the right, all of which are closed, and only the water in the first water distribution pipe is put.
4. Next, connect the prepared plastic pipe to the air outlet, and screw the small screw on the air outlet to the right to start drainage.
5. The water just released is turbid and the water temperature is low. After putting a few pots, the water gradually becomes clear and the temperature gradually rises, which can be clearly felt by hands.
6, water, close the valve.