Blower assembly diagram
Part #B9456-52
Replaced by #12908
Blower assembly diagram
Part #B13680-47
Replaced by #D6723306S
Blower assembly diagram
Part #B9456-53
Replaced by #12910
Heat exchanger assembly diagram
Part #B13700-06
Replaced by #1370906S
Blower assembly diagram
Part #B13680-42
Replaced by #B1368042S
Gas train diagram
Part #B17893-42
Replaced by #B1789342
Heat exchanger assembly diagram
Part #B13700-11
Replaced by #1370911S
Gas train diagram
Part #B13707-24
Replaced by #BG1600M51EF-1AA
Blower assembly diagram
Part #B13400-12
Replaced by #B13400-21S
Gas train diagram
Part #12826-06S
The manufacturer no longer makes this part, and there's no substitute part