Infrared gas heater in a robust, durable professional design for rough construction site use, wherever there is good ventilation.The infrared radiation only heats the objects or people being heated and is therefore ideal for spot heating in open halls, sheds or outdoors.Note:All natural and liquid gas burners may only be put into operation on site by an authorised gas fitterWhen ordering, it is essential to specify whether a natural gas or LPG burner is to be installed!