Part Number: 12255940 (Component) Part Number: 12255940-1 (Adapter) Part Number: 12255941 (Ventilator) Part Number: 12255944 (Bracket,mounting) Part Number: 12255949 (Diverter, air (heater)) Part Number: 12255949-F (Air heater) Part Number: 12255950 (Box diverter) Part Number: 12255951 (Plate diverter) Part Number: 12255952 (Inlet) Part Number: 12255953 (Upper door) Part Number: 12255954 (Lower door) Part Number: 12255955 (Seal) Part Number: 12255956 (Rod) Part Number: 12255959 (Component)