Amana
Furnace

Model # GH100AA Official Amana gas horizontal furnace

Here are the diagrams and repair parts for Official Amana GH100AA 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  |

Motor-direct Drive, 1/2 Hp-321p079c 20-9218

#NI

All parts diagram

Motor-direct drive, 1/2 hp-321p079c

Part #20-9218

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

Burner Door Assy. Front & Rear (2 Req'd) 975-2493

#NI

All parts diagram

Burner door assy. front & rear (2 req'd)

Part #975-2493

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

Blower Shaft Grooved 3/4 X 17-1/4 20-5118

#NI

All parts diagram

Blower shaft grooved 3/4 x 17-1/4

Part #20-5118

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

Manifold Assembly 985-0235
#17C

Renewal parts diagram

Manifold assembly

Part #985-0235

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

Front Filter Cap Assembly 597-6159
#36B

Renewal parts diagram

Front filter cap assembly

Part #597-6159

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

Heating Element Assembly 905-2654
#22B

Renewal parts diagram

Heating element assembly

Part #905-2654

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

Blower Bearing (2 Req'd) 3/4" Lau 7114 20-5030

#NI

All parts diagram

Blower bearing (2 req'd) 3/4" lau 7114

Part #20-5030

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

Filter Frame Assembly 963-0313
#35D

Renewal parts diagram

Filter frame assembly

Part #963-0313

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

Blower Assembly (less Motor-belt Drive) 980-1208

#NI

All parts diagram

Blower assembly (less motor-belt drive)

Part #980-1208

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

Top And/or Bottom Panel Assembly 594-1100
#3A

Renewal parts diagram

Top and/or bottom panel assembly

Part #594-1100

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 compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

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.…