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 # 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.

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  |
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

Thermostat Heat-cool H T8034c1036 21-0844

#NI

All parts diagram

Thermostat heat-cool h t8034c1036

Part #21-0844

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

Furnace Blower Housing Assembly 980-1173

#NI

All parts diagram

Furnace blower housing assembly

Part #980-1173

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

Blower Pulley 7 X 3/4 20-1560
Blower pulley 7 x 3/4

Part #20-1560

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

Base Blower, 10-6 594-4861
Base blower, 10-6

Part #594-4861

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

Blower Assembly (less Motor-belt Drive) 980-1202

#NI

All parts diagram

Blower assembly (less motor-belt drive)

Part #980-1202

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

Comb. Gas Valve (thermac 90218-004 1/2 X 3/4 Cc210) L.p. 21-0953
Comb. gas valve (thermac 90218-004 1/2 x 3/4 cc210) l.p.

Part #21-0953

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

Plastic Washer 20-5015

#NI

All parts diagram

Plastic washer

Part #20-5015

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

Symptoms for upright freezers

Why does my freezer have a sheet of ice at the bottom?

Main causes: clogged or frozen defrost drain tube…

Read more

Repair guides for upright freezers

How to replace a freezer control panel

How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Read more
Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your furnaces

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