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A regular boiler works on the basis of “heating only” and

A regular boiler works on the basis of “heating only” and therefore requires a separate hot water cylinder (usually located in an airing cupboard), which stores a large amount of the household cold water there are also two feeder tanks, (usually located in the loft area) one of the tanks is for domestic hot water, which feeds through to the hot water storage cylinder the second tank is required for the central heating the mains cold water is fed through the expansion.

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