Control box assy/panel assy diagram
Part #HN51JD024
The manufacturer no longer makes this part, and there's no substitute part
Blower assy diagram
Part #KA56TR056
Front view/louver option/rear view diagram
Part #48GS500307
Burner assy diagram
Part #HH18HA211
Reversing valve diagram
Part #HK02ZB062
Burner assy diagram
Part #48GS500186
Front view/louver option/rear view diagram
Part #313974-751
Blower assy diagram
Part #48GS500240
Reversing valve diagram
Part #KH71KN164
Gas section diagram
Part #HH18HA440