High Ratio Adjustment Gas Burner has light and handy structure combined with reduced overall dimensions are ideal for all the installations requiring a compact and silent combustion group with high turn-down ratio. This burner structure is in carbon steel; parts in contact with the flame are in refractory steel and in nickel chrome alloys. High Ratio Adjustment Gas Burner has completely automatic operation allows different regulation controls such as on-off, high-low flame and modulating on ratio. This gas burner requires very low maintenance and operating costs, hence very cost effective in nature. This gas burner is very easy to install as well as simple to operate.