Posted a short video.
Sounds like a incoming helicopter.
Sometimes it will get so loud my dog will bark upstairs. Only way I can stop is to crack open door or dampen down the plate in flue pipe? Eventually will go away. Almost always does it on first fire up with lots of dry kindling and paper.
Sounds like a incoming helicopter.
Sometimes it will get so loud my dog will bark upstairs. Only way I can stop is to crack open door or dampen down the plate in flue pipe? Eventually will go away. Almost always does it on first fire up with lots of dry kindling and paper.