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. Write at least 150 words.

The diagram illustrates the main components of a domestic central heating system and how they interconnect to supply both hot water and central heating. Overall, the system consists of a cold water supply feeding into a storage tank, a boiler for heating water, a series of radiators throughout the house, and a pump to circulate […]