Cabinet diagram
Part #1171981
Burner diagram
Part #1177033
Heat exchange diagram
Part #1184421
Main assy diagram
Part #1185609
Heat exchange diagram
Part #1184305
Main assy diagram
Part #1184338
Burner diagram
Part #1184324
Main assy diagram
Part #1183472
Main assy diagram
Part #1178570
Heat exchange diagram
Part #1184307
The manufacturer no longer makes this part, and there's no substitute part