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Whirlpool
Central Air Conditioner

Model # ALJ12020 Official Whirlpool air conditioner heat pump

Here are the diagrams and repair parts for Official Whirlpool ALJ12020 air conditioner heat pump, 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 81 parts  |
Seal 980789
#18

Cabinet parts diagram

Seal

Part #980789

Replaced by #WP854334

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Manufacturer substitution
This part replaces 980789. Substitute parts can look different from the original.
$9.99
| 
9% OFF Phone Price : $10.99
In Stock
Dvx Thnnr Gl 799351
#31M

Unit parts diagram

Dvx thnnr gl

Part #799351

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

Screw 980790
#29

Unit parts diagram

Screw

Part #980790

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

Drip Pan 980792
#17

Air flow and control parts diagram

Drip pan

Part #980792

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

Tape 505168
#31A

Unit parts diagram

Tape

Part #505168

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

Sleeve 980780
#21

Air flow and control parts diagram

Sleeve

Part #980780

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

Detent Spring 832051
#10

Cabinet parts diagram

Detent spring

Part #832051

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

Gasket 977833
#10

Unit parts diagram

Gasket

Part #977833

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

Channel 832350
#5

Cabinet parts diagram

Channel

Part #832350

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

Grommet 980726
#7

Unit parts diagram

Grommet

Part #980726

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

Symptoms for gas ranges

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...

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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...

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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....

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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...

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Repair difficulty
Time required
60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range....

Read more
Repair difficulty
Time required
45 minutes or less

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Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long....

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How to prevent the 2 most common AC failures from ruining your summer

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