Boiler block/piping assy diagram
Part #146-22-011
Replaced by #10-408-05
Jacket/base assy diagram
Part #146-62-801
Replaced by #550001339
Flue adapter/exhauster assy diagram
Part #146-31-077
Replaced by #2272065
Jacket/base assy diagram
Part #146-26-045
Replaced by #103251
Mixer/air pressure switch assy diagram
Part #146-31-007
Replaced by #550001811
Boiler block/piping assy diagram
Part #146-22-000
Replaced by #31-606-04
Mixer/air pressure switch assy diagram
Part #438-00-013
The manufacturer no longer makes this part, and there's no substitute part
Part #146-31-044
The manufacturer no longer makes this part, and there's no substitute part
Mixer/air pressure switch assy diagram
Part #146-31-015
The manufacturer no longer makes this part, and there's no substitute part
Jacket/base assy diagram
Part #146-31-315
The manufacturer no longer makes this part, and there's no substitute part