#NI10
All parts diagram
Part #146-29-002
Boiler controls/piping diagram
Part #146-22-011
Replaced by #10-408-05
Boiler controls/piping diagram
Part #146-62-047
Replaced by #103251
Boiler controls/piping diagram
Part #146-62-071
Replaced by #BG1600M51EF-1AA
Natural gas burners/manifold parts diagram
Part #146-62-058
The manufacturer no longer makes this part, and there's no substitute part
Boiler controls/piping diagram
Part #146-26-043
Replaced by #103251
#NI08
All parts diagram
Part #146-26-045
Replaced by #103251
#NI11
All parts diagram
Part #146-28-011
Replaced by #240006936
Boiler controls/piping diagram
Part #146-23-009
Replaced by #240005246
Part #146-28-003
Replaced by #FC46487201