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Whirlpool
Central Air Conditioner

Model # R121 Official Whirlpool air conditioner heat pump

Here are the diagrams and repair parts for Official Whirlpool R121 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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ALL PARTS
Showing 10 of 129 parts  |
Cement 279368
#10

Optional diagram

Cement

Part #279368

Replaced by #WP279368

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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

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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-gum 212432
#12

Optional diagram

Sealer-gum

Part #212432

Replaced by #212643

?
Manufacturer substitution
This part replaces 212432. 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 859600
#36

Unit diagram

Seal

Part #859600

Replaced by #WP854334

?
Manufacturer substitution
This part replaces 859600. Substitute parts can look different from the original.
$9.99 | 
9% OFF Phone Price : $10.99
In Stock
Valve Kit 978027
#6D

Optional diagram

Valve kit

Part #978027

Replaced by #978027

?
Manufacturer substitution
This part replaces 978027. Substitute parts can look different from the original.
$38.69 | 
13% OFF Phone Price : $44.69
In Stock
Ge Room Air Conditioner Outdoor Cover 484184
Ge room air conditioner outdoor cover

Part #484184

$54.49 | 
10% OFF Phone Price : $60.49
In Stock
Ground Wire 856094
#25

Air flow and control diagram

Ground wire

Part #856094

Replaced by #857078

?
Manufacturer substitution
This part replaces 856094. Substitute parts can look different from the original.
$10.49 | 
16% OFF Phone Price : $12.49
In Stock
Screw, 8 X 1 488480
Screw, 8 x 1

Part #488480

Replaced by #WP489069

?
Manufacturer substitution
This part replaces 488480. Substitute parts can look different from the original.
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock

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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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.…

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Repair difficulty
Time required
 45 minutes or less

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