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
Thermal Zone
Central Air Conditioner

Model # CH18K-1S Official Thermal Zone 10 seer split-system heat pump

Here are the diagrams and repair parts for Official Thermal Zone CH18K-1S 10 seer split-system 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.

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 30 parts  |
Accumulatr 668793
#8

10 seer split system heat pump diagram

Accumulatr

Part #668793

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

Cond.motor 621634
#22

10 seer split system heat pump diagram

Cond.motor

Part #621634

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

Capacitor 620780
#17

10 seer split system heat pump diagram

Capacitor

Part #620780

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

Fan Blade 667261
#23

10 seer split system heat pump diagram

Fan blade

Part #667261

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

Capacitor Strap 258781
#18

10 seer split system heat pump diagram

Capacitor strap

Part #258781

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

Defrost Sensor 626342
#13

10 seer split system heat pump diagram

Defrost sensor

Part #626342

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

Compressor Grommet (4) 668396
#28

10 seer split system heat pump diagram

Compressor grommet (4)

Part #668396

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

Reversing Valve 668766
#3

10 seer split system heat pump diagram

Reversing valve

Part #668766

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

Refigerant Valve (large) 663575
#6

10 seer split system heat pump diagram

Refigerant valve (large)

Part #663575

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

Compressor Bolt 600284
#29

10 seer split system heat pump diagram

Compressor bolt

Part #600284

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

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