Ideal for intermittent use without frequent relighting. The burner features a sleeve-type air regulator and stopcock for gas control and an integral pilot light tube with screw for adjusting the pilot flame. Specifications: • Gas type: Natural • Inlet OD: 3/8" (10mm) • CFH*: 5.3 • BTU Output*: 3,180 • Overall Height: 6-3/8" (162mm) *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.