Amana
Furnace

Model # GH120 Official Amana gas horizontal furnace

Here are the diagrams and repair parts for Official Amana GH120 gas horizontal furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 171 parts  |

Flame Runner Assembly (2 Req'd) 975-1216
#16C

Renewal parts diagram

Flame runner assembly (2 req'd)

Part #975-1216

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

Motor Pulley 20-1509
#50A

Renewal parts diagram

Motor pulley

Part #20-1509

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

Flue Pouch Cover Plate 975-2491

#NI

All parts diagram

Flue pouch cover plate

Part #975-2491

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

Drafthood Mounting Slip Joint 990-4098

#NI

All parts diagram

Drafthood mounting slip joint

Part #990-4098

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

Fan & Limit Control - 200 Degrees Stop M-h L4064a1339 21-0384
#53B

Renewal parts diagram

Fan & limit control - 200 degrees stop m-h l4064a1339

Part #21-0384

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

Burner Pan Assembly 975-1196
#14D

Renewal parts diagram

Burner pan assembly

Part #975-1196

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

Manifold Assembly 985-0233
#17A

Renewal parts diagram

Manifold assembly

Part #985-0233

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

Blower Pulley 5 X 3/4 20-1532
#51B

Renewal parts diagram

Blower pulley 5 x 3/4

Part #20-1532

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

Motor - Direct Drive 1/6 West 319p631 20-9101

#NI

All parts diagram

Motor - direct drive 1/6 west 319p631

Part #20-9101

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

Blower Wheel - 3/4" Bore 20-5107
#42

Renewal parts diagram

Blower wheel - 3/4" bore

Part #20-5107

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…