The 18K Heat Hog comes with an electronic ignition button.Be sure a AA battery is installed correctly. To check or replace the battery, unscrew the ignition button and place a fresh battery positive (+) side up. Be sure your one-pound propane bottle has fuel in it. If using a 20lbs tank, be sure the valve on the propane tank is open. You may need to hold down the control valve for 30 seconds when hooking up a new 20lb tank to purge the air and allow the gas supply to reach the pilot.