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
Control box assy/panel assy diagram
Part #CESO130076-00
Replaced by #HK32EA008
Reversing valve diagram
Part #KH43LG072
Part #LA01EA025
Gas section diagram
Part #48GS400106
Replaced by #48GS400649
Gas section diagram
Part #48GS660004
Blower assy diagram
Part #KA56TR056
Reversing valve diagram
Part #HK02ZB062
Burner assy diagram
Part #HH18HA211