Purge the air from the fuel tank. In an area with good ventilation, turn your refillable butane lighter in an upside-down position and press the refill valve for a few seconds. You may want to lay ...

Yes, butane fumes are flammable and can be harmful if inhaled in large quantities. Always refill your torch in a ...

Butane fuel ... left in the tank. As long as that air's in there, you won't be able to add more fuel. Check the bottom of the torch or lighter to find a small, round refill valve.