Heavy-duty design built for the job site. This thermostatically controlled 400,000 BTU propane forced air heater comes with a standard 10 ft hose, regulator, and all the safety you would expect of a 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 110 V outlet then hook up the included hose and regulator to a 100 lb propane tank or larger, then you are ready to take the chill out of any job. 250,000 400,000 BTU per hour For use with propane gas Heats up to 10,000 sq ft Operates up to 17 hours on two 100 lb propane tanks set to low setting