Amana
Furnace

Model # GS100AA Official Amana gas-fired furnace

Here are the diagrams and repair parts for Official Amana GS100AA gas-fired 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 194 parts  |

Plastic Washer 20-5015
#10

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Plastic washer

Part #20-5015

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

Junction Box Assembly - Heat Only 970-0077
#55B

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Junction box assembly - heat only

Part #970-0077

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

Furnace Blower Access Panel 271-1125
Furnace blower access panel

Part #271-1125

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

Motor Capacitor, 5 Mfd - 440v 22-9603
#21B

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Motor capacitor, 5 mfd - 440v

Part #22-9603

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

Adjustable Air Shutters 910-0210
#56

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Adjustable air shutters

Part #910-0210

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

Heating Element Assembly 905-0201
#48D

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Heating element assembly

Part #905-0201

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

Motor - Direct Drive 4/10 Red. Cy6933a 20-0143
#13C

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Motor - direct drive 4/10 red. cy6933a

Part #20-0143

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

Motor Direct Drive 20-9158
#13D

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Motor direct drive

Part #20-9158

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

Thermocouple (m.h. Q309a1582) 21-0079
#68A

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Thermocouple (m.h. q309a1582)

Part #21-0079

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

Drafthood Assembly 975-0249
#44B

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Drafthood assembly

Part #975-0249

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

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.…