However it can be a safety risk and an energy waster if not used properly.
Open fireplace flue chain.
Adjusting the damper allows you to burn a fire efficiently and safely.
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A chimney flue is essential in conveying smoke and harmful gases from your fireplace to the outdoors.
Throat dampers sit lower in the flue just above the firebox.
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The damper can be opened and closed through a few different mechanisms including a latch a pull chain or a handle.
To open it take the chain off the hook and let it go.
Fireplace dampers are typically made of metal or ceramic so they can tolerate the heat of the fire without suffering damage.
Fireplace dampers come in two main types.
Chimney top dampers sit at the top of the chimney with a chain and lever to open and close it.
If the damper is closed smoke will come out of the chimney and enter the room.
You should feel the chain spring up as the damper opens.
One of the easiest ways to tell whether or not your damper is open is by starting a fire.
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If your fireplace is located in the basement you may even be able to feel air coming down the chimney.
Unlike the style of damper located immediately above the firebox a retrofit model is mounted at the top of the chimney and is operated by a long chain that hangs down the chimney.
If there is a metal chain in or besides your fireplace it means that your chimney has a top mounted damper.
If the damper is open smoke will exit out of the chimney.
Chimney top and throat.
They usually feature mesh guards to keep critters out of your flue and a leak proof gasket to keep moisture at bay.
This duct within your chimney includes a damper that can be opened or closed by a lever or pull chains in most instances.
Standard built in fireplaces sometimes require use of a long metal pole with a hooked end that you use to reach into the chimney and manually pull down the lever of the damper doors to open the flue.
If the chain is tightly attached to a hook the damper is closed.
A flue directs smoke outside of a home when a fireplace is in use.
Fireplaces without dampers or with faulty dampers can be retrofitted with new dampers.
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Stainless steel and cast iron flue dampers commonly are opened with a touch button control system.