Specifications: -Gas type: Natural -Mixing Tube OD: 7/16" (11mm) -CFH*: 1.33 -BTU Output*: 1,365 -Overall Height: 3-1/2" (89mm) *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch Water Column Pressures for LP Burners. Inlet OD for all Burners: 5/16" Serrated Humboldt Bunsen Burners are high-quality, American-made burners with nickel-plated, die-cast zinc bases. Burners feature aluminum mixing tubes and serrated gas inlet connections. Refer to chart below for specific models and operating parameters, including standard and micro burners, as well as burners with flame stabillzers.
