50KW/170,000Btu/hr Heat output with 5m flexible ducting for safe exhaustion of fumes. Ideal for places where theres limited ventilation, or where people are present, as they deliver huge volumes of clean, dry, fume free heat safely and economically. 50KW/170,000Btu/hr Heat output with 5m flexible ducting, included, for safe exhaustion of fumes. 69L tank with 2000m/h air output. Suitable for use with Kerosene or Diesel. Thermostat control allows you to set and maintain required ambient temperature. Fitted with electronic flame control and flame-out device which cuts the fuel supply when the flame is inadvertently extinguished or if the fuel has run out ensuring maximum safety. Stainless steel combustion chamber with fan cooling. Built-in flame sensor. Danfoss pump. Large wheels and a handle make the heater easy to transport, position and re-position where required on site. Other accessories are available but not included.