Pellets are automatically fed from a storage hopper into a burn pot, creating a constant flame that needs no tending.
Heat-exchange tubes: Send air heated by fire into room.
Hopper: Stores pellets to be burned.
Convection fan: Circulates air through heat-exchange tubes and into room.
Burn pot: Holds pellets for combustion.
Auger: Feeds pellets from hopper to burn pot, where they are ignited.
Ashpan: Collects remains of unburned pellets.
Grille: Allows room air to be pulled in by convection fan.
Intake vent: Pulls outside air into burn pot.
Exhaust vent: Takes away combustion gases
Combustion fan: Pulls in outdoor air and exhausts gases.