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
Armstrong
Central Air Conditioner

Model # PWC18E7.2-1 Official Armstrong heat pump

Here are the diagrams and repair parts for Official Armstrong PWC18E72-1 heat pump, 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.

Owner’s manual

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 34 parts  |
Stat-line 31763B1
#331

Thru the wall heat pump diagram

Stat-line

Part #31763B1

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

Capcitor 34000D11
#263

Thru the wall heat pump diagram

Capcitor

Part #34000D11

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

Contactor 4123B
#255

Thru the wall heat pump diagram

Contactor

Part #4123B

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

Defrosttimer 3270B
#310

Thru the wall heat pump diagram

Defrosttimer

Part #3270B

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

Valve&tube 34249C1
#324

Thru the wall heat pump diagram

Valve&tube

Part #34249C1

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

Fan Motor 34211B1
#272

Thru the wall heat pump diagram

Fan motor

Part #34211B1

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

Coil-indoor 33972D1
#25

Thru the wall heat pump diagram

Coil-indoor

Part #33972D1

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

Relay Hw 7489B6
#63

Thru the wall heat pump diagram

Relay hw

Part #7489B6

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

Transformer 6587B
#18

Thru the wall heat pump diagram

Transformer

Part #6587B

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

Switch Spot -fan Speed Control 8624B1
#336

Thru the wall heat pump diagram

Switch spot -fan speed control

Part #8624B1

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

Symptoms for top-mount refrigerators

Why is there water in the bottom of the fridge under vegetable drawers?

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Read more

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

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