Control box assy/panel assy diagram
Part #HN51JD024
The manufacturer no longer makes this part, and there's no substitute part
Control box assy/panel assy diagram
Part #LH33WP003
Part #LA01EA025
Reversing valve diagram
Part #KH43LG072
Gas section diagram
Part #48GS400106
Replaced by #48GS400649
Gas section diagram
Part #48GS660004
Front view/louver option/rear view diagram
Part #313974-751
Outdoor motor/fan blade gap diagram
Part #48GS400244
Burner assy diagram
Part #50DK407029
Reversing valve diagram
Part #HK02ZB062