Heater exchanger diagram
Part #320723-751
Cabinet assy 1 diagram
Part #KGAPN2201ALL
Replaced by #KGAPN3901ALL
Cabinet assy 2 diagram
Part #LF39MZ350
Induced draft group diagram
Part #KA69JM300
Cabinet assy 2 diagram
Part #HT01BC116
The manufacturer no longer makes this part, and there's no substitute part
Cabinet assy 2 diagram
Part #AS22EP286
Blower assy diagram
Part #P251-0078
Cabinet assy 1 diagram
Part #319848-301
Heater exchanger diagram
Part #320711-302
Induced draft group diagram
Part #319892-201