Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Amana
Furnace

Model # GSC-100-AH Official Amana gas-fired counterflow furnace

Here are the diagrams and repair parts for Official Amana GSC-100-AH gas-fired counterflow 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 164 parts  |
Motor Mount Support 980-1213

#NI

All parts diagram

Motor mount support

Part #980-1213

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

Manifold Assembly (less Controls) 985-1183
#45E

Replacement parts diagram

Manifold assembly (less controls)

Part #985-1183

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

Burner Tube Spacer 975-1038
#54B

Replacement parts diagram

Burner tube spacer

Part #975-1038

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

Blower Base - 9-5d 367-4860
#52A

Replacement parts diagram

Blower base - 9-5d

Part #367-4860

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

Top Front Rail 271-110
#29E

Replacement parts diagram

Top front rail

Part #271-110

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

Base Assembly 369-4000
#30C

Replacement parts diagram

Base assembly

Part #369-4000

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

Limit Switch 21-0147
Limit switch

Part #21-0147

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

Blower Wheel 1/2 Bore 20-5091
#5B

Replacement parts diagram

Blower wheel 1/2 bore

Part #20-5091

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

Motor - Direct Drive 1/6 West 319p631 20-9101
#13B

Replacement 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 Base - 9-9d 369-4860
#52C

Replacement parts diagram

Blower base - 9-9d

Part #369-4860

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

View all

Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Read more

Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Read more

Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Read more

Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Read more

Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Read more

Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Read more

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

View all
How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Read more
Repair difficulty
Time required
 45 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 walk-behind lawn mower.

View all
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.…

Read more
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.…

Read more
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.…

Read more

Parts & More