The book describes modern materials and technologies of plumbing works, as well as provides information on the modern range of plumbing fixtures. When planning the purchase of plumbing, and even more so when starting the repair of an apartment with the replacement of water supply and heating, it is worth understanding a rather large set of devices, pipes, fittings. How are water and sewer networks arranged? What are the current gasket technologies? What can you do with your own hands, saving money on simple operations? And when hiring specialists, it is not bad to figure it out in order to assess the quality of the work, not to follow the lead and not to take on faith their statement about the complete impossibility of exactly what you have in mind.