They can be associated with connecting new sanitary facilities or carrying out small repairs.
Making minor plumbing work
Small plants hydraulic predominantly take orders for minor plumbing work.
All such work can be carried out also by plumbers self-employed.
You just have to reckon with the fact that the services contract with an independent plumber probably will prolong the work carried out.
However, this should not affect their quality, and sometimes it turns out that the plumber running his own business applies doubly to perform the outsourced tasks themselves.
They may rely on both the exchange of a faulty seal and at the connection of the new tap.
Boiler - what is it?
A boiler is a closed vessel in which water or other fluid is heated. The fluid does not necessarily boil.
(In North America the term "furnace" is normally used if the purpose is not actually to boil the fluid.) The heated or vaporized fluid exits the boiler for use in various processes or heating applications,12 including water heating, central heating, boiler-based power generation, cooking, and sanitationŹródło: https://en.wikipedia.org/wiki/Boiler
Independent hydraulic works carried out in the homes
Home handymen are very fond carry out the various repair work.
Therefore, it happens also that alone make minor repairs or improvements hydraulic.
The houses usually they exchange seals and pipes, which has already gathered a lot of dirt and hair and suds.
Similarly, in flats, where sometimes you also need to fix the toilet flush. In addition, home handymen often deal with repairs washing machines standing in a bathroom or dishwashers standing in the kitchen.
So they can save some money and demonstrate their efficiency in front of family.
But keep in mind that the performance of such work will be possible only if equipped house there are small seals and hydraulic tools..