1.The total water valve will be closed, the need to install the angle valve interface cleaned up clean, after the original angle valve replacement, to clean the water rust with care, and the residual water in the pipe all clean up a thousand net.
2.Choose a suitable Angle valve, close the valve on the Angle valve, recognize the two interfaces of the Angle valve, to connect in what position, so that there will be no leakage phenomenon.
4.Rotate the Angle valve along the direction of the wire port and tighten it in the wire of the wall. Do not use too much force when twisting in. You can tighten the Angle valve by hand first. After tightening, you can use a wrench and other tools to twist the Angle valve half a circle more, and try to adjust the position of the water outlet to facilitate the connection of the water pipe.
5.Connect the upper water pipe to another interface of the Angle valve, and then open the main valve to test whether water leakage.