#NI03
All parts diagram
Part #146-62-037
The manufacturer no longer makes this part, and there's no substitute part
Gas burners/manifold parts diagram
Part #146-62-092
Replaced by #240011102
Gas burners/manifold parts diagram
Part #146-62-051
The manufacturer no longer makes this part, and there's no substitute part
Jacket-section/base parts diagram
Part #425-00-673
#NI12
All parts diagram
Part #146-29-002
Boiler controls/piping diagram
Part #146-22-002
Replaced by #1570001
Boiler controls/piping diagram
Part #146-62-015
Replaced by #PA404A1033
#NI11
All parts diagram
Part #146-26-040
Replaced by #WFE-24V
#NI16
All parts diagram
Part #146-28-003
Replaced by #FC46487201
#NI10
All parts diagram
Part #146-22-001
Replaced by #31-606-04