Dear Stovers, I have been using my latest version of the gravity powered 'Pasifier' in both wood pellet and chip fired modes for the last month. Still learning but I'm running out of winter and therefore the need. Check it out at; http://www.youtube.com/watch?v=mWP15Eek4Xo&feature=youtu.be <http://www.youtube.com/watch?v=mWP15Eek4Xo&feature=youtu.be> Alex