Kucht Professional 30-in 4 Burners 4.2-cu ft Convection Oven Freestanding Gas Range/Propane Gas - KNG301-W-KKucht Professional 30 in 4 Burners 4. 2 cu ft Convection Oven Freestanding Gas Range Propane Gas KNG301 W K Fitting into most standard kitchens, this impressive 30 in. range boasts a 22,000 BTU convection oven, with a 10,000 BTU tube burner broiler. Enjoy cooking with your new Pro Style range features two 15,000 BTU and two 9,000 BTU burners. The main feature of this series is the abilty to the change the look of your kitchen in less than 2 minutes by