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.

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Model diagram and schematic

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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 gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: dirty carburetor, stale fuel…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your snowblower.

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.…

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Top questions about Sears and Sears PartsDirect

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