Wife let the Spectrum burn out today (it was -8F outside, why she'd let it go??) so I loaded her to the gills with good heavy oak and got her going. Left the pipe damper and air control wide open while I did a few chores. An hour later I realized I forgot to check on it and found the probe thermometer at 1400F and the first 4 feet of double wall from the stove was billowing smoke. You would not believe how much smoke that paint can give off when you overheat it. I almost soiled myself right there. Shut her down and it got under control pretty quick but that was the craziest thing I've ever seen in my life. This 4' of black metal pipe just SMOKING. I can tell you I WILL NEVER leave that stove alone with the air open EVER AGAIN