Blower & control diagram
Part #HT01BC115
The manufacturer no longer makes this part, and there's no substitute part
Heat exchange diagram
Part #326600-751
Manifold & gas control diagram
Part #LH33ZG001
Heat exchange diagram
Part #HH18HA499
Inducer & motor hsg diagram
Part #HH18HA493
Cabinet diagram
Part #336901-401
Blower & control diagram
Part #HK42FZ051
Replaced by #HK42FZ064
Inducer & motor hsg diagram
Part #326627-762
Blower & control diagram
Part #336542-401
Manifold & gas control diagram
Part #327972-404