Thermal Zone
Central Air Conditioner

Model # CH42M-1S Official Thermal Zone 12 seer split-system heat pump

Here are the diagrams and repair parts for Official Thermal Zone CH42M-1S 12 seer split-system heat pump, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 29 parts  |

Compressor 914656
#2

12 seer split system heat pump diagram

Compressor

Part #914656

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

Cap Strap 258780
#18

12 seer split system heat pump diagram

Cap strap

Part #258780

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

Muffler 668710
#4

12 seer split system heat pump diagram

Muffler

Part #668710

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

Contactor 621661
#16

12 seer split system heat pump diagram

Contactor

Part #621661

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

Low Voltage Divider 258791
#15

12 seer split system heat pump diagram

Low voltage divider

Part #258791

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

Coil Guard (formed) D08791
#11

12 seer split system heat pump diagram

Coil guard (formed)

Part #D08791

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

Outdoor Coil (formed) 499534
#12

12 seer split system heat pump diagram

Outdoor coil (formed)

Part #499534

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

Distributor Assembly 663581
#9

12 seer split system heat pump diagram

Distributor assembly

Part #663581

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

Fan Grill 669261
#24

12 seer split system heat pump diagram

Fan grill

Part #669261

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

Access Panel 374275Z
#20

12 seer split system heat pump diagram

Access panel

Part #374275Z

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

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less

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Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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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…

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