#NI
All parts diagram
Part #612919
The manufacturer no longer makes this part, and there's no substitute part
Blower diagram
Part #601210
Blower diagram
Part #604006
Replaced by #1012514
Damper diagram
Part #604636
Replaced by #604967
Blower diagram
Part #87964
Replaced by #12910
#NI
All parts diagram
Part #1001620
Blower diagram
Part #601211
Blower diagram
Part #92407
Heat exchanger diagram
Part #602859
Burner and controls diagram
Part #607885
Replaced by #36C74-413