Control box assy diagram
Part #HN51JD024
The manufacturer no longer makes this part, and there's no substitute part
Inside view diagram
Part #LH33WP003
Indoor fan motor/blower assy/bottom view diagram
Part #48GS400310
Gas section diagram
Part #50SS500879
Front view/louver option/rear view diagram
Part #48GS660005
Burner assy diagram
Part #48GS500186
Accessory economizer diagram
Part #9962-0083
Indoor fan motor/blower assy/bottom view diagram
Part #KA56TR056
Inside view diagram
Part #48GS500306
Accessory economizer diagram
Part #9460-6700