Candy will chime in I'm sure.... but it is mounted on the door... so she can actually swap it out for the standard wood burning door. If I recall, I think Chris Hart Borrowed her Jambo once, and used the std. door on it instead of the pellet door. Her set up is really cool. Versatile, and unique... you wont find another pellet cooker like it out there And she is a pretty mean cook on it to boot!!!
But to answer another question... you can put a pellet pot/auger and fan on just about anything... size of the unit, if it is insulated, where the air flows through it, etc, dictates the size of the pellet pot, and the amount of convective air you need to cook evenly... IF you dont have a donor pellet unit, you can usually piece something together with a PID controller, a couple of Type K/J thermocouples, and an auger setup and pellet pot out of just about anything (pellet stoves, etc.) We have turned grade school proofers, a Kingfisher, several different things into pellet cookers. By we, I mean my sponsor... he has a welding shop with a brake, plasma table, and benders of various types... and he is crazy enough to cut just about anything up. We made a 4 tray rotisserie kingfisher into a gravity fed pellet cooker... and it burned about 6lbs per hour. We needed a small squirrel cage fan to put enough air through it to really make it a good cooker.... but definitely fun to play with.