This depends 100% on two things:
the flue is the part of the fireplace that goes from the firebox to the outside of the building.
The flue is the actual pipe or chimney where the damper is the mechanism that opens and closes the flue
Usually refers to a gas fireplace, since wood fireplaces are vented by the flue (chimney) Gas fireplaces can be vented (flue) or unvented (no flue)
flu (meaning sickness) flue (as in fireplace flue or vent)
fireplace
If you are looking for more information on where can you find info about fireplace flue damper, the best place to look is on www.csia.org/FAQs/tabid/120/Default.aspx
Yes, there are automatic fireplace flue dampers available for sale on the internet. Check out www.fluesentinel.com and www.actionair.co.uk or fireplace showrooms near you for more detailed information.
Clogged chimney, closed flue, or wind blowing into the fireplace.
When burning the firplace, flue must be open to avoid death/ illness from carbon monoxide.
No. The flue must be open to allow the carbon monoxide to escape from the house.
FIREPLACE
The abbreviation for "influenza" is spelled "flu." But the pipe that removes the smoke from the chimney of a fireplace is spelled "flue."