Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Whirlpool
Central Air Conditioner

Model # 3PACH21DD0 Official Whirlpool through-the-wall air conditioner

Here are the diagrams and repair parts for Official Whirlpool 3PACH21DD0 through-the-wall air conditioner, 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 166 parts  |
Cement 279368
#10

Optional diagram

Cement

Part #279368

Replaced by #WP279368

?
Manufacturer substitution
This part replaces 279368. Substitute parts can look different from the original.
BEST SELLER
$42.72 | 
12% OFF Phone Price : $48.72
In Stock
Valve Kit 978025
#6B

Optional diagram

Valve kit

Part #978025

Replaced by #WP978025

?
Manufacturer substitution
This part replaces 978025. Substitute parts can look different from the original.
$29.51 | 
17% OFF Phone Price : $35.51
In Stock
Valve Kit 978026
#6C

Optional diagram

Valve kit

Part #978026

Replaced by #978026

?
Manufacturer substitution
This part replaces 978026. Substitute parts can look different from the original.
$34.19 | 
15% OFF Phone Price : $40.19
In Stock
Sealer 212643
#12

Optional diagram

Sealer

Part #212643

Replaced by #212643

?
Manufacturer substitution
This part replaces 212643. Substitute parts can look different from the original.
This item is not returnable
$50.09 | 
11% OFF Phone Price : $56.09
In Stock
Valve Kit 978030
#6G

Optional diagram

Valve kit

Part #978030

Replaced by #978030

?
Manufacturer substitution
This part replaces 978030. Substitute parts can look different from the original.
$40.49 | 
13% OFF Phone Price : $46.49
In Stock
Seal Strip 1180679
#19

Air flow diagram

Seal strip

Part #1180679

Replaced by #WP854334

?
Manufacturer substitution
This part replaces 1180679. Substitute parts can look different from the original.
$9.99 | 
9% OFF Phone Price : $10.99
In Stock
Seal Strip 1180413
#33

Air flow diagram

Seal strip

Part #1180413

Replaced by #WP854334

?
Manufacturer substitution
This part replaces 1180413. Substitute parts can look different from the original.
$9.99 | 
9% OFF Phone Price : $10.99
In Stock
Seal Strip 1180412
#6

Air flow diagram

Seal strip

Part #1180412

Replaced by #WP854334

?
Manufacturer substitution
This part replaces 1180412. Substitute parts can look different from the original.
$9.99 | 
9% OFF Phone Price : $10.99
In Stock
Seal Strip 1181060
#34

Air flow diagram

Seal strip

Part #1181060

Replaced by #WP854334

?
Manufacturer substitution
This part replaces 1181060. Substitute parts can look different from the original.
$9.99 | 
9% OFF Phone Price : $10.99
In Stock
Seal Strip 1180972
#21

Air flow diagram

Seal strip

Part #1180972

Replaced by #WP854334

?
Manufacturer substitution
This part replaces 1180972. Substitute parts can look different from the original.
$9.99 | 
9% OFF Phone Price : $10.99
In Stock

Symptoms for gas ranges

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…

Read more

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…

Read more

Repair guides for gas ranges

How to replace an oven temperature sensor on a gas range

How to replace an oven temperature sensor on a gas range

See how to replace an oven temperature sensor on a gas range.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range spark module

How to replace a range spark module

Follow these step-by-step instructions to put the fire back into the surface burners on your gas range by replacing the …

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

View all
Maintaining your air conditioner

Maintaining your air conditioner

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

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

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

Get tips to help keep your central AC running all summer long…

Read more
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.…

Read more

Parts & More