Gas burners/manifold parts diagram
Part #146-62-052
The manufacturer no longer makes this part, and there's no substitute part
#NI11
All parts diagram
Part #146-29-002
Boiler controls/piping diagram
Part #146-22-001
Replaced by #31-606-04
Boiler controls/piping diagram
Part #146-62-015
Replaced by #PA404A1033
#NI15
All parts diagram
Part #146-28-003
Replaced by #FC46487201
Boiler controls/piping diagram
Part #146-62-045
Replaced by #AT150A1007
Boiler controls/piping diagram
Part #146-22-002
Replaced by #1570001
#NI10
All parts diagram
Part #146-26-040
Replaced by #WFE-24V
Gas burners/manifold parts diagram
Part #146-62-092
Replaced by #240011102
#NI12
All parts diagram
Part #146-60-002
Replaced by #1500009