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[victor6deep]

Been playing with differential settings and noticed I get door drip at 10 degree diff and not nearly as much at 15 or 20. What's going on here? Burning pretty good seasoned oak and cottonwood.

[Speed]

Boy, I've been waiting to see what the response was. Guess it's like the "how many licks for a Tootsie pop?" question.

[yoderheating]

 Any type of water coming from the firebox ( unless its a leak) is condensation. When you run a higher temp or longer burn time you are producing hotter heat in the firebox and that water is evaporated and goes out the chimney. All wood has some water in it that has to go somewhere.

[slimjim]

I  agree with the condensation explanation, you may however  be able to reduce that condensation by checking and sealing any air leaks around door gaskets or any air infiltration during the dormant cycle of the stove. The easiest way to recognise leaks is simply watch for any smoke leakage right after you fill the stove and turn it on, if you see leakage try to adjust your door gaskets or you may be able to seal them with high temp silicone. In the off cycle the fire is pulling fresh cold air into the stove that has moisture in it adding to the problem.
             Richard @ PM

[victor6deep]

Bottom line the mofo just ain't running as much. That there prolly the problem might just switch back to propane.

[Speed]

Weird that there is more drip@ 10 degree than 15. I'd think there would be less with shorter idle times. Interesting.

[yoderheating]

 Shorter idle times but also shorter burn times. The burn times will not be as hot because of the reduced length of time so less evaporation occurs.