Amana
Furnace

Model # GL-120-4 Official Amana gas furnace

Here are the diagrams and repair parts for Official Amana GL-120-4 gas furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 203 parts  |

Combustion Chamber Assembly D9601801
#8A

(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram

Combustion chamber assembly

Part #D9601801

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

Orifice, L.p. Gas #50 (as Required) M0755005
Orifice, l.p. gas #50 (as required)

Part #M0755005

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

Pilot Tubing, 18" A9002101
Pilot tubing, 18"

Part #A9002101

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

Base Pan Assembly B9201901
#29C

(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram

Base pan assembly

Part #B9201901

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

Furnace Blower Door C9400502
#16B

(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram

Furnace blower door

Part #C9400502

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

Thrust Washer M0875808
Thrust washer

Part #M0875808

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

Motor Mounting Bracket, 9009013c M0890001
#35A

(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram

Motor mounting bracket, 9009013c

Part #M0890001

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

Grommet M0500402
#31

(gl-105) diagram

Grommet

Part #M0500402

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

Boot A4553101
#49

(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram

Boot

Part #A4553101

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

Insulation, 3/4" Foil Back, 26 1/2 X 36 B9204305
#5E

(gh-65d) (gh-65d-2) (gh-80d) (gh-80d-3) (gh-105d) (gh-105d-3) (gh-120d) (gh-120d-4) (gh-140d) (gh-140d-4) (gh-80) (gh-80-3) (gh-105) (gh-105-3) (gh-120) (gh-120-4) (gh-140) (gh-140-5) (gh-160) (gh-160-5) (gh-200) (gh-200-7) (gh-140da) diagram

Insulation, 3/4" foil back, 26 1/2 x 36

Part #B9204305

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

Symptoms for treadmills

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Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

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How to get your furnace ready for winter

How to get your furnace ready for winter

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