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Model # GH-120D-4 Official Amana gas furnace
Here are the diagrams and repair parts for Official Amana GH-120D-4 gas furnace, as well as links to manuals and error code tables, if available.
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GH-120D-4 Gas Furnace
#3
(gl-105) diagram
Side panel assembly, right
Part #B9206301
The manufacturer no longer makes this part, and there's no substitute part
#12A
(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram
Gasket, draft diverter 1/8" x 3/4" x 9", top
Part #B9200801
The manufacturer no longer makes this part, and there's no substitute part
#10E
(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram
Relief tray
Part #B9200205
The manufacturer no longer makes this part, and there's no substitute part
#4A
(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram
Back panel assembly
Part #B9205201
The manufacturer no longer makes this part, and there's no substitute part
#32A
(gl-105) diagram
Blower leg, right
Part #B9206501
The manufacturer no longer makes this part, and there's no substitute part
#37D
(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram
Blower housing, 2010306
Part #M0850203
The manufacturer no longer makes this part, and there's no substitute part
#24B
(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram
Orifice, l.p. gas #51 (as required)
Part #M0755006
The manufacturer no longer makes this part, and there's no substitute part
#39E
(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram
Blower seal angle
Part #B9202105
The manufacturer no longer makes this part, and there's no substitute part
Insulation only - side panels, 3//4" x 18-1/2" x 36"
Part #B9204303
The manufacturer no longer makes this part, and there's no substitute part
#27C
(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram
Furnace blower deck assembly
Part #C9401103
The manufacturer no longer makes this part, and there's no substitute part
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