Heavy-duty design built for the job site. This Thermostatically controlled Heatstar 400,000 BTU Propane Forced Air Heater comes with a standard 20ft hose, regulator, and all the safety you would expect of a Heatstar product. Equipped with factory installed high limit switch and continuous solid state ignition, you can feel comfortable using this heater on any job site. Just plug the heater into a 110v outlet then hook up the included hose and regulator to a 100lb propane tank or larger, then you are ready to take the chill out of any job.