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  2. Chimney - Wikipedia

    en.wikipedia.org/wiki/Chimney

    A throat damper is a metal plate at the base of the chimney, just above the firebox, that can be opened and closed by a lever, gear, or chain to seal off the fireplace from the chimney. The advantage of a top damper is the tight weatherproof seal that it provides when closed, which prevents cold outside air from flowing down the chimney and ...

  3. Flue - Wikipedia

    en.wikipedia.org/wiki/Flue

    A seven-flue chimney in a four-storey Georgian house in London, showing alternative methods of sweeping. A flue is a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors. Historically the term flue meant the chimney itself. [1]

  4. Chimney liner - Wikipedia

    en.wikipedia.org/wiki/Chimney_liner

    A flexible flue liner prevents a carbon monoxide leak, chimney fire, or creosote buildup. The creosote build-up is the fuel inside the flue that causes the chimney fire. Most countries have regulations relating to carbon monoxide in the home. Flue liners need to be installed where: The chimney leaks smoke and fumes

  5. Damper (flow) - Wikipedia

    en.wikipedia.org/wiki/Damper_(flow)

    In a chimney flue, a damper closes off the flue to keep the weather and animals (e.g. birds) out and warm or cool air in. This is usually done in the summer, but also may be done in the winter between uses. In some cases, the damper may also be partly closed to help control the rate of combustion.

  6. Fireplace - Wikipedia

    en.wikipedia.org/wiki/Fireplace

    Damper—A metal door to close a flue when a fireplace is not in use. Flue—The passageway in the chimney. [21] Hearth—The floor of a fireplace. The part of a hearth which projects into a room may be called the front or outer hearth. [21] Hearthstone—A large stone or other materials used as the hearth material. Insert—The fireplace ...

  7. Direct vent fireplace - Wikipedia

    en.wikipedia.org/wiki/Direct_vent_fireplace

    The flue system is composed of two flues, the inner flue and the outer flue. The outer flue draws air into the bottom of the sealed firebox to allow for combustion. The inner flue draws hot exhaust gasses from the top of the sealed firebox and vents them directly to the outside of the structure through either an adjacent wall or roof. [4]

  8. Chimney sweep - Wikipedia

    en.wikipedia.org/wiki/Chimney_sweep

    A chimney sweep in Wexford, Ireland in 1850. A chimney sweep is a person who inspects then clears soot and creosote from chimneys. The chimney uses the pressure difference caused by a hot column of gas to create a draught and draw air over the hot coals or wood enabling continued combustion. Chimneys may be straight or contain many changes of ...

  9. Flue gas - Wikipedia

    en.wikipedia.org/wiki/Flue_gas

    Flue gas from London's Bankside Power Station, 1975. Flue gas is the gas exiting to the atmosphere via a flue, which is a pipe or channel for conveying exhaust gases, as from a fireplace, oven, furnace, boiler or steam generator. It often refers to the exhaust gas of combustion at power plants. Technology is available to remove pollutants from ...

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