1.Transfer the internal and external water outlets
2.if the water pressure is too high, it can be adjusted on the angle valve,you can adjust the water pressure by turing it down a little bit.
3.The main funtion of angle valve is controling the water. If the faucet has leakage problem,the user can close the angle valve to turn off the water,instead of closing the main valve of the house.That will be easier and faster to replace or fix the faucet.