The following diagrams show how are pellet stove and a pellet boiler works to heat the house. Summarize information by selecting and reporting the main features, and making comparisons when relevant.

The diagrams illustrate the components of a

wood

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pellet

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stove and a

wood

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pellet

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boiler, and how they are used to heat a house. The

wood

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pellets

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are

initially

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loaded into the fuel hopper

while

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a

wood

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pellet

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stove is in use. The

pellets

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enter the combustion chamber where they are burned after passing through the fuel feed. The ashes fall into the ash pan below as they burn. The heated air rises and is directed toward the combustion fan. The fan blows it into the surrounding space. Through the exhaust duct, there flows fire smoke. When using a

pellet

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boiler, the

pellets

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are

also

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put into a hopper. They move into the furnace from there, where they are burned. The smoke elevates in the smoke stack,

while

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the ashes are collected in the ash container. Moving inside the furnace, cold water is heated by the burning

pellets

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. Each room in the house is heated by the warm water as it flows into the radiators. The stove heats with hot air; meanwhile, the boiler heats with water, which is the main distinction between the two methods.