Specifications: -Gas type: Artificial -Mixing Tube OD: 7/16" (11mm) -CFH*: 18 -BTU Output*: 10,800 -Overall Height: 5-1/4" (133mm) *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 These noiseless burners provide a clear flame of any desired height from 1/2" (12.7mm) to 12" (305mm), with separate control of both flame temperature and flame length. The burners incorporate threaded aluminum air control sleeves and precision machined, fine-pitch brass needle valves with internal stuffing box and self-sealing packings. Rustproof 3-1/2" (89mm) octagonshaped, plated die-cast bases and aluminum mixing tubes are also utilized. See table below for specifications and ordering information.
