#NI10
All parts diagram
Part #146-29-002
Natural gas burners/manifold parts diagram
Part #146-62-092
Replaced by #240011102
#NI02
All parts diagram
Part #146-62-039
The manufacturer no longer makes this part, and there's no substitute part
#NI08
All parts diagram
Part #146-26-045
Replaced by #103251
Boiler controls/piping diagram
Part #146-62-071
Replaced by #BG1600M51EF-1AA
Boiler controls/piping diagram
Part #146-23-009
Replaced by #240005246
Jacket-section/base parts diagram
Part #425-00-916
Replaced by #42500916AC
#NI11
All parts diagram
Part #146-28-011
Replaced by #240006936
Part #146-28-003
Replaced by #FC46487201
Boiler controls/piping diagram
Part #146-26-043
Replaced by #103251