Control box assy diagram
Part #HN51JD024
Replaced by #90-244
Elect heat group diagram
Part #P291-4054
The manufacturer no longer makes this part, and there's no substitute part
Front view/louver option/rear view diagram
Part #48GS400483
Accessory economizer diagram
Part #9901-0183
Front view/grille option/rear view diagram
Part #48GS500032
Part #50JS500002
Part #0900001A
Front view/grille option/rear view diagram
Part #48GS400255
Evap top view diagram
Part #DD19PA062
Part #48GS500046