Looking through the chimney's passive damper at about 1700F
The chimbly at 2350 F when I start burning a dry XMass tree
https://m.youtube.com/watch?feature=youtu.be&v=Ow69vUU_O-U
The chimbly at 2350 F when I start burning a dry XMass tree
https://m.youtube.com/watch?feature=youtu.be&v=Ow69vUU_O-U