Harman Pellet Stove Burn Pot Clean Out Cover. This cover plate is located on the face of the burn pot. Removing this cover will give you access to the inside of the pot. This plate should be removed regularly for cleaning and needs to be removed when replacing the igniter. It is important to inspect this plate periodically to ensure it is seating correctly. If the plate dose not seal properly it can cause ignition issues and can negatively effect how your stove burns!