Heater diagram
Part #LH33ZS004
Heater diagram
Part #LH680013
Replaced by #LH680-014
Part #319893-401
The manufacturer no longer makes this part, and there's no substitute part
Induced draft diagram
Part #HC23CE116
Replaced by #340793-762
Heater exchanger diagram
Part #319873-314
Replaced by #319873-714
Casing assy 2 diagram
Part #319802-714
Induced draft diagram
Part #319825-402
Casing assy diagram
Part #319847-401
Blower assy diagram
Part #319820-301
Casing assy diagram
Part #319848-301