Part #68023
Replaced by #GO1A-332
Part #73538
The manufacturer no longer makes this part, and there's no substitute part
Burner & manifold assembly diagram
Part #75004
The manufacturer no longer makes this part, and there's no substitute part
Part #67704
Replaced by #100108370
Burner & manifold assembly diagram
Part #74464
The manufacturer no longer makes this part, and there's no substitute part
Boiler controls diagram
Part #538.9218
Replaced by #1E30N-910
Boiler controls diagram
Part #8840-3/4
Replaced by #10-408-05
Burner & manifold assembly diagram
Part #73540
The manufacturer no longer makes this part, and there's no substitute part
Boiler controls diagram
Part #425-1405
Replaced by #21-104-03
Boiler controls diagram
Part #8854
Replaced by #1260006SP