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Back boiler
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<p>A back boiler is a type of boiler that is installed behind a fireplace or <a href="/facts/Stove/KlLJu3dz">stove</a>. It is designed to use the heat generated by the fire to heat water, which can then be used for <a href="/facts/Central_heating/GsYBDLmn">central heating</a> or hot water in a home. Back boilers were traditionally popular in the UK due to their compact design and dual-purpose functionality. </p><p>A <a href="/facts/Heat_exchanger/CUzlMnBG">heat exchanger</a> enclosed at the rear of the burning chamber heats water, with an output at the top of the chamber and a cold water feed at the bottom. </p>