Mitsubishi
Air Handler

Model # PCA-A42GA1 Official Mitsubishi air handler

Here are the diagrams and repair parts for Official Mitsubishi PCA-A42GA1 air handler, 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 50 parts  |

Thermistor R01H09202
#15

Structural parts diagram

Thermistor

Part #R01H09202

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

Exchanger T7WH24480
#16

Structural parts diagram

Exchanger

Part #T7WH24480

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

Plate T7WE04665
#11

Heat exchanger diagram

Plate

Part #T7WE04665

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

Panel T7WE08676
#4

Heat exchanger diagram

Panel

Part #T7WE08676

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

Support R01E03033
#18

Heat exchanger diagram

Support

Part #R01E03033

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

Thermistor R01H08202
#6

Structural parts diagram

Thermistor

Part #R01H08202

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

Box R01E01068
#23

Heat exchanger diagram

Box

Part #R01E01068

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

Gv Assembly R0138J085
#19

Heat exchanger diagram

Gv assembly

Part #R0138J085

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

Leg R0118J809
#2

Heat exchanger diagram

Leg

Part #R0118J809

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a door gasket in a top-freezer refrigerator

How to replace a door gasket in a top-freezer refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. It’s easy to replace a worn …

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost heater in a top-freezer refrigerator

How to replace the defrost heater in a top-freezer refrigerator

The refrigerator defrost heater melts frost from the freezer’s evaporator fins. Replace the defrost heater if it doesn't…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your air handlers

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.…