The distribution of hot/cold water is made with steel pipes. The mixers are connected to the pipeline using conventional braided flexible hoses that come with the mixer ... But the problem is that from time to time these same hoses themselves heat up to such an extent that it starts to stink of burnt rubber

An easy way to pressurize a water pipe is to install a pressure booster pump. But!!! There are nuances that can nullify all efforts.

You have not used a ball valve for a long time (at least a year). Now you have a need to either open it or close it. But ... to their surprise, they found that the handle could not be turned. Let's try to develop a crane.