Amana
Furnace

Model # GS-120-4 Official Amana gas furnace

Here are the diagrams and repair parts for Official Amana GS-120-4 gas 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 32 parts  |

Trandformer, 115 V. Primary, 24 V. Secondary, 20 Va. M0330701
#50A

(gl-200) diagram

Trandformer, 115 v. primary, 24 v. secondary, 20 va.

Part #M0330701

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

Orifice, Natural Gas #31 M0755003
#25C

(gl-200) diagram

Orifice, natural gas #31

Part #M0755003

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

Motor, 1/2 H.p., 115v., 60 Cycle, 1 Phase, Single Speed, M0304401
#40D

(gl-200) diagram

Motor, 1/2 h.p., 115v., 60 cycle, 1 phase, single speed,

Part #M0304401

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

Blower Pulley C5252303
#33A

(gl-200) diagram

Blower pulley

Part #C5252303

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

Blower Leg, Right B9206501
#32A

(gl-200) diagram

Blower leg, right

Part #B9206501

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

Draft Diverter G'sket, Sides 9-31/32" B9200802
#9B

(gl-200) diagram

Draft diverter g'sket, sides 9-31/32"

Part #B9200802

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

Thrust Washer M0875808
#35

(gl-200) diagram

Thrust washer

Part #M0875808

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

Grommet M0500402
#31

(gl-200) diagram

Grommet

Part #M0500402

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

Pilot Tubing, 22" A9002102
#21B

(gl-200) diagram

Pilot tubing, 22"

Part #A9002102

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

Name Plate Tab Fastened B9200001
#11

(gl-200) diagram

Name plate tab fastened

Part #B9200001

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

Repair guides for front-tine tillers

How to replace the tines on a front-tine tiller

How to replace the tines on a front-tine tiller

Badly worn tines diminish the tilling results. If the tines are bent, dull or worn, follow these steps to replace the t…

Repair difficulty
Time required
 15 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.…