Amana
Furnace

Model # GH120SA Official Amana gas horizontal furnace

Here are the diagrams and repair parts for Official Amana GH120SA 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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Showing 10 of 171 parts  |

Top And/or Bottom Panel Assembly 596-1100
#3C

Renewal parts diagram

Top and/or bottom panel assembly

Part #596-1100

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

Drafthood Assembly 975-0461
#11A

Renewal parts diagram

Drafthood assembly

Part #975-0461

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

Furnace Blower Housing 980-1257

#NI

All parts diagram

Furnace blower housing

Part #980-1257

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

Motor Mount 20-4181
#48

Renewal parts diagram

Motor mount

Part #20-4181

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

Drafthood Mounting Slip Joint 990-0498

#NI

All parts diagram

Drafthood mounting slip joint

Part #990-0498

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

Junction Box Cover & Transformer Assembly 970-0145

#NI

All parts diagram

Junction box cover & transformer assembly

Part #970-0145

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

Blower Assembly (complete W/motor), 10-8 980-0152

#NI

All parts diagram

Blower assembly (complete w/motor), 10-8

Part #980-0152

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

Top And/or Bottom Panel Assembly 597-1100
#3D

Renewal parts diagram

Top and/or bottom panel assembly

Part #597-1100

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

Top And/or Bottom Panel Assembly 595-1100
#3B

Renewal parts diagram

Top and/or bottom panel assembly

Part #595-1100

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

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

Repair guides for gas grills

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

How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill burner

How to replace a gas grill burner

Replace a damaged burner on your gas grill in less than 15 minutes and with just pliers and a screwdriver for tools.…

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 gas grill.

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

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