Amana
Furnace

Model # GSC-125-A3 Official Amana gas-fired counterflow furnace

Here are the diagrams and repair parts for Official Amana GSC-125-A3 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  |

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

Furnace Blower Housing Assembly 980-1250
Furnace blower housing assembly

Part #980-1250

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

Lower Filter Rail 340-6103

#NI

All parts diagram

Lower filter rail

Part #340-6103

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

Drafthood Seal Angle 975-0186
#43A

Replacement parts diagram

Drafthood seal angle

Part #975-0186

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

Blower Base - 9-7d 368-4860
#52B

Replacement parts diagram

Blower base - 9-7d

Part #368-4860

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

Vestibule Panel 370-5010
#37D

Replacement parts diagram

Vestibule panel

Part #370-5010

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

Control - Manual Reset - S#38007 21-0688
Control - manual reset - s#38007

Part #21-0688

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

Burner Pouch Seal Strip 267-5030
#47A

Replacement parts diagram

Burner pouch seal strip

Part #267-5030

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

Top Front Rail 269-110
#29C

Replacement parts diagram

Top front rail

Part #269-110

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

Motor Capacitor 6 Mfd - 370v 22-9619
#21A

Replacement parts diagram

Motor capacitor 6 mfd - 370v

Part #22-9619

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

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

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…

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…

Repair difficulty
Time required
 45 minutes or less
How to replace a freezer evaporator fan

How to replace a freezer evaporator fan

Air won’t circulate to cool the freezer properly when the evaporator fan fails. Follow these step-by-step instructions t…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your furnaces

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.…