4-bit tube
1, first install the electric faucet, brush the pipe with a toothbrush, and open the faucet to the maximum, use the water pressure to flush out the dirt in the pipe
2, and then turn the handle to the cold water, open the main valve, see the water in the hot water, and then plug in the power.
3, finally directly turn the faucet can be used. Note that every time after using the hot water, the handle should be adjusted to the cold water to avoid burning the hand with water next time.