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Mitsubishi
Air Handler

Model # PCA-A42GA Official Mitsubishi air handler

Here are the diagrams and repair parts for Official Mitsubishi PCA-A42GA air handler, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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Showing 10 of 50 parts  |
Leg R0117J809
#2

Heat exchanger diagram

Leg

Part #R0117J809

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

Panel T7WE00651
#16

Heat exchanger diagram

Panel

Part #T7WE00651

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

Catch R0117J054
#6

Heat exchanger diagram

Catch

Part #R0117J054

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

Gv Assembly R0137J087
#20

Heat exchanger diagram

Gv assembly

Part #R0137J087

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

Leg R0135J130
#1

Structural parts diagram

Leg

Part #R0135J130

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

Block R01E18246
#4

Electrical parts diagram

Block

Part #R01E18246

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

Gv Assembly R0137J085
#19

Heat exchanger diagram

Gv assembly

Part #R0137J085

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

Fan R01E19114
#5

Structural parts diagram

Fan

Part #R01E19114

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

Box R0135J067
#15

Heat exchanger diagram

Box

Part #R0135J067

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

Panel T7WE00676
#4

Heat exchanger diagram

Panel

Part #T7WE00676

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

Repair guides for side-by-side refrigerators

How to replace an ice dispenser motor in a side-by-side refrigerator

How to replace an ice dispenser motor in a side-by-side refrigerator

If your side-by-side refrigerator isn’t churning out ice, replacing the motor could fix the problem. These steps explain…

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Repair difficulty
Time required
 45 minutes or less
How to replace a defrost heater in a side-by-side refrigerator

How to replace a defrost heater in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost heater could be faulty. Follow the…

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Repair difficulty
Time required
 45 minutes or less
How to replace an evaporator fan motor in a side-by-side refrigerator

How to replace an evaporator fan motor in a side-by-side refrigerator

If your refrigerator isn't as cold as it should be, it could be that the evaporator fan motor isn't circulating air. Thi…

Read more
Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your air handlers

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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