Control box/panel assy diagram
Part #HN51JD024
The manufacturer no longer makes this part, and there's no substitute part
Front view/rear view diagram
Part #50DT400110
Blower assy diagram
Part #AA06BS228
Outside view diagram
Part #KA56DS001
Burner assy diagram
Part #48GS500186
Outside view diagram
Part #HH79NZ088
Burner assy diagram
Part #50DK407029
Outside view diagram
Part #KA56TR057
Tube assy diagram
Part #EC39EZ065
Tube assy diagram
Part #312251-201