Originally Posted by masiewiz
That is what I did. I lit 10 coals in my chimney and dumped it in my basket, with one valve open. Do you think it is my top venting?
Shouldn't matter if the top leaks or not. Combustion air needs to come in from the bottom – my exhaust is wide open and has never had a valve. I can completely smother the fire by closing the intake valves below...