#NI06
All parts diagram
Part #146-29-002
Boilers control and piping diagram
Part #146-55-006
Boilers control and piping diagram
Part #433-00-511
Replaced by #2272156
Natural gas burners and manifold diagram
Part #146-62-052
The manufacturer no longer makes this part, and there's no substitute part
Boilers control and piping diagram
Part #146-22-011
Replaced by #10-408-05
Boilers control and piping diagram
Part #146-26-043
Replaced by #103251
Boilers control and piping diagram
Part #146-23-007
Replaced by #240005245
#NI11
All parts diagram
Part #146-28-012
The manufacturer no longer makes this part, and there's no substitute part
Induced draft boilers diagram
Part #146-14-112
The manufacturer no longer makes this part, and there's no substitute part
Induced draft boilers diagram
Part #146-14-020
The manufacturer no longer makes this part, and there's no substitute part