Connect tubing to the gas inlet nozzle on the burner.
Connect the tubing to a gas source.
Open the gas source (at this point, no gas should be entering the room.
As the control valve on the gas burner is slowly opened, bring
a lit match or striker near the burner tube from the side. Occasionally
the gas will blow a match out. If the match is extinguished, close
the control valve while a new match is struck.