A central heating system provides warmth to the whole interior of a building (or portion of a building) from one point to multiple rooms.When combined with other systems in order to control the building climate, the whole system may be an HVAC (heating, ventilation and air conditioning) system. Central heating differs from space heating in that the heat generation occurs in one place, such as a furnace room in a house or a mechanical room in a large building (though not necessarily at the "central" geometric point).
Increasingly, buildings utilize solar-powered heat sources, in which case the distribution system normally uses water circulation. In much of the temperate climate zone, most new housing has come with central heating installed since the Second World War, at least.
Such areas normally use gas heaters, district heating, or a oil-fired system, often using forced-air systems.Steam-heating systems, fired by coal, oil or gas, are also used, primarily for larger buildings. Electrical heating systems occur less commonly and are practical only with low-cost electricity or when ground source heat pumps are used. Considering the combined system of central generating plant and electric resistance heating, the overall efficiency will be less than for direct use of fossil fuel for space heating.Źródło: https://en.wikipedia.org/wiki/Central_heating
A pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow ? liquids and gases (fluids), slurries, powders and masses of small solids.
It can also be used for structural applications; hollow pipe is far stiffer per unit weight than solid members. Both "pipe" and "tube" imply a level of rigidity and permanence, whereas a hose (or hosepipe) is usually portable and flexible.
The combination of exchange plates with a review of the hydraulic may be less expensive than using in a short time, the services of two experts.
Replacement plates are combined, because the removal of old tiles, during which you can review the water supply, sewerage and carry out the necessary repair parts connections or clear partially clogged sewer pipes.This way you will not need to remove the newly installed bathroom tiles because of some failure of the hydraulic. This is all the more important that the available for sale tiles allow you to create the bathroom of real composition..