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Amana
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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Model diagram and schematic

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Showing 10 of 203 parts  |
Blower Cut Off 5709040 M0850404
Blower cut off 5709040

Part #M0850404

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

Draft Diverter Cover C9400201
#11A

(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

Draft diverter cover

Part #C9400201

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

Base Pan Assembly B9201901
#29C

(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

Base pan assembly

Part #B9201901

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

Name Plate Tab Fastened B9200001
Name plate tab fastened

Part #B9200001

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

Blower Wheel, 9 X 8, 3009108 M0875102
Blower wheel, 9 x 8, 3009108

Part #M0875102

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

Thermocoiple, H.q.309a1954b M0340202
Thermocoiple, h.q.309a1954b

Part #M0340202

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

Blower Housing, 2008112 M0875803
#37H

(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, 2008112

Part #M0875803

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

Furnace Blower Wheel M0875302
#46O

(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 wheel

Part #M0875302

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

Trandformer, 115 V. Primary, 24 V. Secondary, 20 Va. M0330701
Trandformer, 115 v. primary, 24 v. secondary, 20 va.

Part #M0330701

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

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