Can any one = tell me what the little screw on plug is for (when to open & close) at = the lower left of the fridge?

Greg: if = you're talking about the small brass line with a cap on the end, it is a drain = to drain water/condensation that may form inside the burn chamber in some = climates/situations... I've never seen water come out of it... = but some recommend using it to blow fresh air in and smoke out of the = combustion chamber if it is not lighting or lighting and going out... I = haven't found this advice useful either.