Furnace

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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Browse Parts for
GH-120D-4 Gas Furnace
Side Panel Assembly, Right B9206301
#3

(gl-105) diagram

Side panel assembly, right

Part #B9206301

The manufacturer no longer makes this part, and there's no substitute part

Gasket, Draft Diverter 1/8" X 3/4" X 9", Top B9200801
#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

Relief Tray B9200205
#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

Back Panel Assembly B9205201
#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

Blower Leg, Right B9206501
#32A

(gl-105) diagram

Blower leg, right

Part #B9206501

The manufacturer no longer makes this part, and there's no substitute part

Blower Housing, 2010306 M0850203
#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

Orifice, L.p. Gas #51 (as Required) M0755006
#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

Blower Seal Angle B9202105
#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" B9204303
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

Furnace Blower Deck Assembly C9401103
#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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