What should I do if the faucet leaks and the screw on it can't be unscrewed?

The faucet leaks, and the screw on it won't unscrew. It's time to change the faucet.

Steps for changing the faucet: Turn off the switch at the next higher level, and professionals will use professional tools for replacement, debugging and acceptance.

Turn off the switch at the next higher level, that is, find, check and turn off the switch at the next higher level, so that there will be no more running water in the pipeline, and it is more convenient and convenient to change the faucet. Open the faucet to release the water and pressure in the pipe (some pipes may contain too much water, so as not to spray water all over us when they are removed)

Professionals should replace them with professional tools, preferably those who know how to do it. When replacing them, they should use: pipe tongs, wrenches, new faucets and raw material belts. Twist the faucet upside down with a wrench, as slowly as possible, in case the faucet is broken inside for a long time, it will be troublesome! ? Pay attention to fix one end of the pipe, loosen the old faucet with tools to make it turn off, and protect the wire parts at the end of the pipe. If the wire parts are damaged, they should also be replaced. Wrap the faucet that needs to be changed about 15 times in the positive direction, not too much but not too little, depending on the actual situation! ? Tighten all components, check

debugging and acceptance, and turn on the switch at the next higher level to see if there is water leakage and whether it can be used normally.