Control box assy diagram
Part #HN51JD024
The manufacturer no longer makes this part, and there's no substitute part
Burner assy diagram
Part #48GS400192
Burner assy diagram
Part #48GS400168
Blower assy diagram
Part #48GS500109
Accessory economizer diagram
Part #9962-0083
Front view/grille option/rear view diagram
Part #48GS400256
Control box assy diagram
Part #HT01BD209
Front view/grille option/rear view diagram
Part #HT01CN231
Front view/grille option/rear view diagram
Part #HK02ZB027
Evap top view diagram
Part #48GS400124