Check the contents of the inside of the cleanout door.
Chimney cleanout door installation.
The doors are available through online.
Otherwise the flue may be blocked.
This metal chimney vents an oil fired heating boiler.
If i had hired a pro to provide and install a door it would have cost at minimal three times or more than what my investment was by doing it myself.
Installing a cleanout door on the outside of your chimney gives you clear access to the bottom of the chimney to remove ashes and soot.
Typically a cleanout opening is near the bottom base of the chimney.
If your chimney currently does not have a cleanout door it is necessary to create an opening in the side of the chimney.
Use a mirror to inspect the interior of the cleanout door and flue.
The horizontal tee connects through the wall to a boiler on the other side.
Adding a chimney cleanout door requires cutting the opening and installing a manufactured door that s designed to prevent cool air from entering the chimney.
8 x 8 cast iron chimney clean out door with flanged frame for masonry installation.
Flanged frame for masonry installation 10 2 x 10 2 door measures 8 x 8.