Instant heat right out of the box, fill the 13-1/2-gallon tank and plug it in. High-capacity fan quickly circulates heat. Flame out control system shuts heater down in the event of loss of flame or lack of fuel. Hot surface ignition (HSI) provides quieter operation, cleaner burning and less maintenance. Multi fuel use (i.e. Kerosene, Diesel No.1 and No.2, JP8, and Jet A fuel). Wheel and handle kit included. Used for construction, small trade, agriculture, automotive repair and do-it-yourself projects. ARL Listed.