The tank was last re-certified in 1978 and had a defective safety valve that allowed gas to escape, which was ignited by the open flame of a ceiling-mounted furnace.

A 100-pound propane tank used exclusively for your fireplace might last three weeks with regular activity. However, even if you do hit the listed date, as mentioned, the actual propane within ...

However, per Foster Fuels, propane tanks under 100 pounds capacity, like the previously mentioned Flame King tank, have a maximum 12 year shelf life from the date of manufacturing. At that point ...