I've had my KC Combo for 6 months, but have really just been using the Smoker Side which is very good and working well. However, I tried the propane gas grill to cook some hot dogs and hamburgers the other day and there is very little flame and heat coming from the three burners. I have a full propane tank. Each burner started fine. However, there is very little flame so with the lid down, the temperature gauge on top of the unit barely gets to 300deg with the burners turned on high. I've disconnected and re-connected the regulator from the propane tank several times. The line is not kinked, the connections are tight, no propane smell or sound when burners are off and gas valve on propane tank fully open. There's just not much flame or heat coming from the burners. Is there some kind of safety plug, or orifice issue that may be hindering the gas to the burners? Is the regulator defective and not allowing sufficient gas to pass from the propane tank? I couldn't get any grill burn marks on my hot dogs, and hamburgers just lie there waiting for a good tan that doesn't come...