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Pellet appliances automate as many functions as possible. The most significant is fuel delivery. The heat setting made by the operator controls an auger or similar feed device that delivers regulated amounts of fuel from the hopper to the fire (Figure 2). The upper part of the picture show a Top Feed Stove, while below shows a Bottom Feed Stove.
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Automatic fuel delivery from the hopper frees the operator from frequent attention and loading, while providing clean burns and the desired comfort level. The amount of air needed for optimum combustion efficiency is delivered automatically or with minor manual adjustments. In most designs, a fan delivers air to the fire and blows exhaust by-products out of a vent pipe that is smaller and typically less expensive than a chimney (Figure 3). |
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In most designs, a fan delivers heat to the home by blowing air through heat exchangers in the stove and out into the home. Heating efficiency is greatly enhanced by removing the heat from the appliance before it can exit the system. |
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