Control box diagram
Part #1058148
The manufacturer no longer makes this part, and there's no substitute part
Control box diagram
Part #1071334
Replaced by #90-170
Heat exchange diagram
Part #1070762
Blower assembly diagram
Part #1071246
Heat exchange diagram
Part #1071306
Blower assembly diagram
Part #1070710
Heat exchange diagram
Part #1071058
Heat exchange diagram
Part #1071326
Heat exchange diagram
Part #1071325
Functional replacement parts diagram
Part #1071749