Amana
Furnace

Model # GH100TA Official Amana gas horizontal furnace

Here are the diagrams and repair parts for Official Amana GH100TA 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  |

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 gas walk-behind mowers

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

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

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

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

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

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

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

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.

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…

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. …

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…

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.

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.…