Big heat right out of the box, Heatstar 200000 utilizes the natural act of warm air rising to quickly heat up 4700 sq-ft. Equipped with a thermoelectric safety valve to shut the gas flow off if the flame ever goes out. Just hook up the supplied 10 ft propane hose and regulator assembly to a 100 lb propane tank, then easily light the heater utilizing the factory installed piezo igniter and enjoy the comforts of a toasty warm jobsite with the HS200CV.