Camp Chef. PRO 90X Deluxe 3-Burners Propane Push and Turn Steel Outdoor Stove. 45. • 16-in accessory compatible: add select one-burner and two-burner accessories like griddles, BBQ Boxes, pizza ovens, cast iron, and more. • The Pro 16 has three, 30,000 BTU's/hour cast-aluminum burners totaling to an overall output of 90,000 BTU's/hour.