Harman Pellet Stove Burn Pot Clean Out Cover. This cover plate is located on the underside of the burn pot. Removing this cover will give you access to the inside of the burn 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 against the bottom of the burn pot. If the plate dose not seal properly it can cause ignition issues and can negatively effect how your stove burns!