#NI11
All parts diagram
Part #146-29-002
Gas burners/manifold parts diagram
Part #146-62-058
The manufacturer no longer makes this part, and there's no substitute part
#NI03
All parts diagram
Part #146-62-039
The manufacturer no longer makes this part, and there's no substitute part
Gas burners/manifold parts diagram
Part #146-62-060
The manufacturer no longer makes this part, and there's no substitute part
Boiler controls/piping diagram
Part #146-22-002
Replaced by #1570001
Part #146-28-003
Replaced by #FC46487201
Boiler controls/piping diagram
Part #146-62-045
Replaced by #AT150A1007
Boiler controls/piping diagram
Part #146-26-042
Replaced by #67
#NI12
All parts diagram
Part #146-60-002
Replaced by #1500009
Boiler controls/piping diagram
Part #146-22-001
Replaced by #31-606-04