Mitsubishi
Air Handler

Model # MSZ-FH12NA Official Mitsubishi air handler

Here are the diagrams and repair parts for Official Mitsubishi MSZ-FH12NA air handler, 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 43 parts  |

Filter MAC-2330FT-E
#8

Cabinet parts diagram

Filter

Part #MAC-2330FT-E

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

Central Air Conditioner Blower Wheel Bearing E12001504
#2

Motor parts diagram

Central air conditioner blower wheel bearing

Part #E12001504

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

Vane Mtr-h E17103303
#6

Motor parts diagram

Vane mtr-h

Part #E17103303

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

Fuse E12A49382
#20

Motor parts diagram

Fuse

Part #E12A49382

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

Union Gas E12815666
#3

Evaporator diagram

Union gas

Part #E12815666

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

Furnace Air Filter E12L85100
#9

Cabinet parts diagram

Furnace air filter

Part #E12L85100

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

Room Air Conditioner Blower Wheel Bearing E12751509
#1

Motor parts diagram

Room air conditioner blower wheel bearing

Part #E12751509

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

Liquid Union E12151667
#2

Evaporator diagram

Liquid union

Part #E12151667

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

Varistor E12B75385
#19

Motor parts diagram

Varistor

Part #E12B75385

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

Drain Hose E12897702
#3

Motor parts diagram

Drain hose

Part #E12897702

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 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
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

Repair difficulty
Time required
 15 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.…