Thanks you. I think that may be it. The furnace cement that was there was falling out and I don't know if it was ever that great of a seal.
I'm sorry I misspoke. I meant I never go over 550. Which is the top of the "optimal range".
Thanks for all the help guys. I'll keep the ash door closed at all times from now on. The black pipe goes into a 6 inch terracotta thimble...
I probably should have joined the forum a while ago but I finally have a question I can't find the answer to and need some help. Okay so here it...
Separate names with a comma.