CAPABILITIES Suitable for low furnace operating temperature through 2500°F (1371°C) with standard design Standard burner designed for cold air or hot air to 800°F(427°C) operation Wide operating range from over 2000% excess air levels through excess fuel Very high velocity (momentum) burner Nominal capacity from less than 250,000 to 1.5 million BTU/hour at 10% excess air For use with most gaseous fuels with heating values above 250 BTU/cubic foot Suitable for most construction designs including light wall Custom engineered models available