Control box/control panel assy diagram
Part #HN51KB024
The manufacturer no longer makes this part, and there's no substitute part
Piston assy diagram
Part #KH43LG072
Inside view diagram
Part #HK42FZ024
Replaced by #HK42FZ035
Blower assy diagram
Part #HD44RE120
Replaced by #58MV660002
Inside view diagram
Part #KA51PC175
Control box/control panel assy diagram
Part #HK70EZ026
Burner assy diagram
Part #LH32RF086
Front view/rear view diagram
Part #48GS500046
Outdoor motor/fan blade gap diagram
Part #48GS400058
Inside view diagram
Part #305843-201