First the hardware is installed at the beginning of construction while the wall is still exposed.
Wall mounted kitchen faucet installation.
Wall mounted faucets have to clear not only the rim of the sink but also any distance between the wall they re mounted on and the sink meaning they often have to be much longer to line up properly.
If you like to have a separate spray nozzle you may need to install one on the deck.
Unless your diy know how and plumbing skills are better than average and you re confident you can make leak free connections that will be sealed behind a wall covering you should think twice about doing this yourself.
Deck mounted faucets are usually more or less the same depth because they re designed to be standard but wall mounted faucets can be 6 9 or 12 inches long to accommodate both a variety of sinks and a variety of installation settings.
The installation of a wall mount faucet requires more planning and more careful measurements and it involves installing water supply lines behind the wall.
Second wall mount faucets are installed between two wall studs.