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 # GH120 Official Amana gas horizontal furnace

Here are the diagrams and repair parts for Official Amana GH120 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  |
Thermostat Heat Only H T8019d1009 21-0964

#NI

All parts diagram

Thermostat heat only h t8019d1009

Part #21-0964

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

Relay Rbm 129115-99802 22-9669

#NI

All parts diagram

Relay rbm 129115-99802

Part #22-9669

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

Junction Box Cover & Transformer Assembly 970-0141

#NI

All parts diagram

Junction box cover & transformer assembly

Part #970-0141

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 Mounting Bracket 980-1212
#48B

Renewal parts diagram

Motor mounting bracket

Part #980-1212

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

Strain Relief Heyco Sr-5k-1 (2 Req'd) 22-2772

#NI

All parts diagram

Strain relief heyco sr-5k-1 (2 req'd)

Part #22-2772

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

Motor Mounting Bracket 980-1216
#48A

Renewal parts diagram

Motor mounting bracket

Part #980-1216

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

Terminal Block - Marathon Tb6a105 22-2899

#NI

All parts diagram

Terminal block - marathon tb6a105

Part #22-2899

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

Heat-cool Relay 22-9638

#NI

All parts diagram

Heat-cool relay

Part #22-9638

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

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Read more

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Read more

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Read more
Repair difficulty
Time required
 15 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