Thermal Zone
Central Air Conditioner

Model # CA48K-3S Official Thermal Zone split-system air conditioner

Here are the diagrams and repair parts for Official Thermal Zone CA48K-3S split-system 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 22 parts  |

Fan Blade 667211
#16

Split system air conditioner diagram

Fan blade

Part #667211

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

Control Board 496540
#7

Split system air conditioner diagram

Control board

Part #496540

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

Capacitor Strap 258782
#11

Split system air conditioner diagram

Capacitor strap

Part #258782

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

Compressor Grommet (4) 668396
#21

Split system air conditioner diagram

Compressor grommet (4)

Part #668396

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

Compressor Bolt 600284
#22

Split system air conditioner diagram

Compressor bolt

Part #600284

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

Top Pan 496161Z
#14

Split system air conditioner diagram

Top pan

Part #496161Z

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

Bottom Pan 494480Z
#1

Split system air conditioner diagram

Bottom pan

Part #494480Z

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

Refigerant Valve (large) 663576
#3

Split system air conditioner diagram

Refigerant valve (large)

Part #663576

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

Contactor 621667
#9

Split system air conditioner diagram

Contactor

Part #621667

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

Low Voltage Divider 258790
#8

Split system air conditioner diagram

Low voltage divider

Part #258790

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

Symptoms for gas ranges

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

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.…

Repair difficulty
Time required
 15 minutes or less
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…

Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

Repair difficulty
Time required
 15 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.…