The diagram below shows how a central heating system in a house works. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The following diagram shows the working of a conventional heating mechanism in a house.

Overall

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, it is a cyclic process where the cold

water

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is heated and flown through the radiators that are installed throughout the home, and when

this

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water

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gets cold, it is again reheated and distributed. The first step in the process involves the storage of the

water

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in large tanks, and

then

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this

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stored

water

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is transferred to a smaller tank where it awaits to be heated. In the next step, the

water

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is sent to the boiler, where it is heated until the

water

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reaches the boiling state.

Additionally

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, petroleum or compressed natural gas is used as a source of fuel. The third step involves the circulation of warm

water

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throughout the home, and

this

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is made possible through the use of a pump.

This

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pump exhibits a strong force which enables the

water

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to flow through the radiators.

Then

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, when the radiators are filled with hot

water

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, they inhale the cold air and transform it into a warm and cosy environment.

Moreover

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, both tanks have external overflow pipes which

disposes

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dispose

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of additional

water

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through the taps.