What mixer do you have? When my faucet leaked, the master of https://chosenrooter.com/services/residential/water-heater/ advised me to take high-quality German in order to forget about leaks for many years. Therefore, they write to you that it is important not only to change the plumbing, but also to do it right. Otherwise, if you install a simple cheap faucet, then there is no guarantee that it will not leak in a month or two.