Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
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  |
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

Reversing Valve 3097C
#312

Thru the wall heat pump diagram

Reversing valve

Part #3097C

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

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

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

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

Connector Housing Assembly 33981B1
#290

Thru the wall heat pump diagram

Connector housing assembly

Part #33981B1

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

Relay 7489B2
#307

Thru the wall heat pump diagram

Relay

Part #7489B2

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

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

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

View all

Why is my gas grill not hot enough?

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

Read more

Why won't some burners light on my gas grill?

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

Read more

What should I do about grease flare-ups in my gas grill?

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

Read more

Do I have to replace a broken wheel on a gas grill?

Main cause: worn wheel…

Read more

Why don't the burners on my gas grill get gas?

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

Read more

Repair guides for gas grills

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

View all
How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill burner

How to replace a gas grill burner

Replace a damaged burner on your gas grill in less than 15 minutes and with just pliers and a screwdriver for tools.…

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 gas grill.

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