The answer to 'how does faucet installation work' is that faucet installation involves replacing an old faucet or installing a new one. This typically involves turning off the water supply, disconnecting the old faucet, preparing the sink or countertop for the new faucet, installing the new faucet, and then reconnecting the water supply and checking for leaks.
The specific steps can vary depending on the type of faucet and the configuration of the sink or countertop, but the general process is similar. Homeowners may need to use tools like basin wrenches, pliers, and plumber's putty to complete the installation. In some cases, it may be necessary to make modifications to the sink or countertop to accommodate the new faucet.