The heater design can fail to prevent ignition of nearby combustible materials that come in contact with the unit, posing a fire hazard to the consumer.
Bean bag chairs without a permanent zipper closure allow young children to unzip, ingest or inhale the small beads inside of the bean bag chair, posing a suffocation and strangulation hazard.
The fuel tank's pressure relief valve can malfunction, causing the tank to expand and rub against the transmission drive belt and drive cooling fan. This can wear a hole in the fuel tank and cause a fuel leak, posing a fire hazard.