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  |
Capcitor 34000D1
#76

Thru the wall heat pump diagram

Capcitor

Part #34000D1

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

Coiloutdoor 33973D1
#250

Thru the wall heat pump diagram

Coiloutdoor

Part #33973D1

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

Connector 33982B1
#69

Thru the wall heat pump diagram

Connector

Part #33982B1

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

Capacitor 34000D4
#274

Thru the wall heat pump diagram

Capacitor

Part #34000D4

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

Relaydefrost 7489B1
#309

Thru the wall heat pump diagram

Relaydefrost

Part #7489B1

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

Switch Spot -fan Speed Control 8651B1
#337

Thru the wall heat pump diagram

Switch spot -fan speed control

Part #8651B1

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

Blowerwheel 3929B1
#83

Thru the wall heat pump diagram

Blowerwheel

Part #3929B1

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

Terminal Block 7427B1
#21

Thru the wall heat pump diagram

Terminal block

Part #7427B1

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

Symptoms for gas chainsaws

Choose a symptom to see related chainsaw repairs.

View all

Why won't my chainsaw start?

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…

Read more

Why does my chainsaw run roughly?

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

Read more

What should I do if my chainsaw leaks gas?

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Read more

Repair guides for gas chainsaws

These step-by-step repair guides will help you safely fix what’s broken on your chainsaw.

View all
How to rebuild a chainsaw carburetor

How to rebuild a chainsaw carburetor

If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuil…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace chainsaw fuel lines

How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a chainsaw carburetor

How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

Use the advice and tips in these articles and videos to get the most out of your chainsaw.

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