hello: I'm new to wood burning. Well, not from enjoying the heat, but being the one to make the fire and tend to it. My husband passed last August and he was the expert at using a wood burner stove. We purchased a Hearthstone Heritage. My wood is seasoned 1 and 2 years. I have a thermometer on the pipe and am running the fire at about 325-350. I continue to hear a clicking noise that sounds like its in the pipe - like someone is tapping from the inside. I don't know how 'full' is full to load it with wood and the flame seems to take up the whole glass door and touch the top of the stove. Is that ok?? I'm a little nervous about all of this because the reason we have the new Heritage soapstone is because two years ago we had a fire. Of course since then everything is new and up to code but I guess I'm afraid of too much flame and that clicking noise. What could it be??? Help!