How To Tell If A Fireplace Flue Is Open. You can look up into the chimney and see it open and close. Either vented or non vetoed gas longs.
Typically, ventless options may not require a chimney flue and exhaust for the combustion gases. A chain that’s dangling freely and unsecured is a telltale sign that the damper is open. If you have a throat damper, you can tell if it is closed if you see a barrier above your head.
If you have a throat damper, you can tell if it is closed if you see a barrier above your head.
A fire crackling in the fireplace adds to the ambiance while the heat it generates helps Your fireplace, flue, and chimney experts If you're not sure which position of the chain or lever indicates open or closed, you need look in the fireplace. If you feel a draft coming down the chimney, it.