Replacement parts diagram
Part #P11-21
Control box diagram
Part #P17-57
Pressure switch diagram
Part #U78-104D
Replacement parts diagram
Part #E238-2
Pressure switch diagram
Part #J43-13C
Replacement parts diagram
Part #U36-41SS
Replaced by #B76087
Replacement parts diagram
Part #U43-11SS
The manufacturer no longer makes this part, and there's no substitute part
Pressure switch diagram
Part #U239-13
Replaced by #TC104-P2
Pressure switch diagram
Part #U36-112C
Replaced by #U36-112ZP
Control box diagram
Part #U18-840
The manufacturer no longer makes this part, and there's no substitute part