Thermal Zone
Central Air Conditioner

Model # CA42M-1S Official Thermal Zone split-system air conditioner

Here are the diagrams and repair parts for Official Thermal Zone CA42M-1S 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  |

Cap Strap 258780
#11

Split system air conditioner diagram

Cap strap

Part #258780

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

Coil Guard (formed) D08789
#5

Split system air conditioner diagram

Coil guard (formed)

Part #D08789

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

Motor Wire Condduit 258951
#18

Split system air conditioner diagram

Motor wire condduit

Part #258951

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

Capacitor 620763
#10

Split system air conditioner diagram

Capacitor

Part #620763

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

Bottom Pan 494490Z
#1

Split system air conditioner diagram

Bottom pan

Part #494490Z

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

Snap Bushing Sb437-5 (not Shown) 631323
#13

Split system air conditioner diagram

Snap bushing sb437-5 (not shown)

Part #631323

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

Compressor 913322
#2

Split system air conditioner diagram

Compressor

Part #913322

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

Contactor 621661
#9

Split system air conditioner diagram

Contactor

Part #621661

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

Fan Blade 667212
#16

Split system air conditioner diagram

Fan blade

Part #667212

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

Repair guides for electric wall ovens

How to replace a wall oven broil element

How to replace a wall oven broil element

Follow these step-by-step instructions to replace the broiler element in an electric oven.…

Repair difficulty
Time required
 15 minutes or less
How to replace a temperature sensor on an electric wall oven

How to replace a temperature sensor on an electric wall oven

These step-by-step instructions guide you through replacing a temperature sensing probe on an electric wall oven.…

Repair difficulty
Time required
 15 minutes or less
How to replace a wall oven hidden bake element

How to replace a wall oven hidden bake element

These step-by-step instructions guide you through replacing the hidden bake element.…

Repair difficulty
Time required
 30 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.…