Answer: PVC, PER, copper and crimp fittings.
For each type of plumbing pipe, there is a corresponding pipe fitting. Thus, PVC fittings are used for PVC pipes, PER fittings for PER pipes, crimp fittings for multilayer pipes, etc. For copper pipes, the most common at present, copper or brass fittings are used which are assembled by soldering. There is a special type of connector for copper pipes, the quick connector, which allows the installation of copper pipes without the need to weld them. It is the ideal fitting for the DIY enthusiast who does not have a torch at his disposal, or who prefers not to have to carry out welding. The quick connector cannot be used for gas supply. You too, send us your brico question