Casing assy 1 diagram
Part #326614-701
Outer door assy/vent assy diagram
Part #HH18HA493
Casing assy 2 diagram
Part #327260-401
Hx/panel assy diagram
Part #326624-751
Hx/panel assy diagram
Part #326600-751
Inducer assy/gas ctl assy diagram
Part #326643-703
Ctl box assy diagram
Part #HT01BC116
The manufacturer no longer makes this part, and there's no substitute part
Inducer assy/gas ctl assy diagram
Part #326627-752
Hx/panel assy diagram
Part #HH18HA502
Inducer assy/gas ctl assy diagram
Part #HH18HA495