Ooni Karu 16 Gas Burner. Converts Karu 16 Pizza Oven to gas power. Includes 11 WC (28 mbar) regulator with gas hose. Start cooking with gas in your Karu 16 using the Karu 16 Gas Burner. Just attach the burner to the back of the oven to convert to gas power, and you'll be ready for some low-maintenance cooking. Can ONLY be used with the chimney on. Designed,tested and approved for use with the Ooni Karu 16 oven only.