Heavy duty design built for the jobsite. This thermostatically controlled Heatstar 170000 Btu forced air natural gas heater comes with a 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 jobsite with natural gas available. Just plug the heater into a 110 V outlet, then hook up the natural gas to the supplied regulator and you are ready to take the chill out of any job.