Whirlpool
Central Air Conditioner

Model # RH123A2 Official Whirlpool air conditioner

Here are the diagrams and repair parts for Official Whirlpool RH123A2 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 186 parts  |

Cement 279368
#10

Optional parts (not included) 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 876764
#6A

Optional parts (not included) diagram

Valve

Part #876764

Replaced by #876764

?
Manufacturer substitution
This part replaces 876764. Substitute parts can look different from the original.
BEST SELLER
$26.12
19% OFF Phone Price : $32.12
In Stock
Refrigerator Screw 1157158
Refrigerator screw

Part #1157158

Replaced by #WP489069

?
Manufacturer substitution
This part replaces 1157158. Substitute parts can look different from the original.
This item is not returnable
$4.39
19% OFF Phone Price : $5.39
In Stock
Cable Tie 857547
#48

Unit diagram

Cable tie

Part #857547

Replaced by #WPW10339879

?
Manufacturer substitution
This part replaces 857547. Substitute parts can look different from the original.
This item is not returnable
$4.37
19% OFF Phone Price : $5.37
In Stock
Valve Kit 978030
#6G

Optional parts (not included) 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
Wire Tie 1159130
#40

Airflow and control diagram

Wire tie

Part #1159130

Replaced by #WPW10339879

?
Manufacturer substitution
This part replaces 1159130. Substitute parts can look different from the original.
This item is not returnable
$4.37
19% OFF Phone Price : $5.37
In Stock
Cabletie 1160803
#12

Unit diagram

Cabletie

Part #1160803

Replaced by #WPW10339879

?
Manufacturer substitution
This part replaces 1160803. Substitute parts can look different from the original.
This item is not returnable
$4.37
19% OFF Phone Price : $5.37
In Stock
Sealer 99344
#13

Optional parts (not included) diagram

Sealer

Part #99344

Replaced by #4318168

?
Manufacturer substitution
This part replaces 99344. Substitute parts can look different from the original.
In Stock
Control Knob 1158054
#45

Airflow and control diagram

Control knob

Part #1158054

Replaced by #WP1158054

?
Manufacturer substitution
This part replaces 1158054. Substitute parts can look different from the original.
This item is not returnable
$5.84
15% OFF Phone Price : $6.84
In Stock
Refrigerant Access Valve, 5/8-in 978029
#6F

Optional parts (not included) diagram

Refrigerant access valve, 5/8-in

Part #978029

Replaced by #978029

?
Manufacturer substitution
This part replaces 978029. Substitute parts can look different from the original.
In Stock

Symptoms for electric ranges

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Repair difficulty
Time required
 30 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Repair difficulty
Time required
 45 minutes or less
How to replace a range relay control board

How to replace a range relay control board

Follow these instructions to replace the relay control board if it isn't responding to signals from the microprocessor d…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your central air conditioners

Maintaining your air conditioner

Maintaining your air conditioner

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

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…

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.…