Transcription: Central heating is so called because there's only one source of the heat, the central boiler, which may use solid fuel, oil or gas. From the central boiler, which is often located in a cellar or in the kitchen, pipes convey the hot water to radiators throughout the building and to hot water taps. Dependent on the layout, pumps are sometimes installed in the system. Heat regularly The circulation controls are always present on the boiler unit and in many systems on the radiators themselves.
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