Aesthetic. Duct temperature 300° C / 350°C. Economic: immediate warm up. Reduced maintenance: only one burner. Radiant duct network adaptable to configuration of the premises. 5 burners of 35 to 300 kW, length of the duct network up to 324 m*. Monotube linear duct with generator 300 kW. Large premises up to 14 m high. Premises needing a burner outside (maintenance, fire risk).