Control box diagram
Part #HR54ZA006
Inducer & gas ctrl diagram
Part #329749-401
Inducer & gas ctrl diagram
Part #327264-401
Inducer & gas ctrl diagram
Part #327972-402
Heat exchange & panel diagram
Part #327258-402
Main assy diagram
Part #HK06WC058
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Part #327260-401
Main assy diagram
Part #HK70EZ001
Blower diagram
Part #327567-701
Blower diagram
Part #321412-413