I'm pretty new to smoking, only about 2 years and this small cabinet smoker is the only one I've ever owned. Don't have the budget to upgrade to a different smoker yet (hopefully Christmas) so I need to keep this one working for me a bit longer. It's a propane Smoke Hollow, don't know the model number but it's 16" wide by 14" deep, 3 racks with a tube shaped burner. The problem I'm having is when I turn the gas/temp adjustment up past the lowest setting the burner doesn't burn smoothly. The flames start a kind of wave effect back and forth along the tube and it goes out more often. I have a hard time getting past 200°F and most things I like to smoke at 225°F, sometimes it's worse than others and it won't rise past 180°F. It seems to be at it's worst whenever I'm cooking for a group (specially if I move it to another location besides my back porch) I've run a pipe cleaner into the gas hose opening at the tank because I heard spiders get in there sometimes. I haven't pulled the burner off yet. Any ideas?