Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Mitsubishi
Air Handler

Model # MS-12BN Official Mitsubishi air conditioner heat pump

Here are the diagrams and repair parts for Official Mitsubishi MS-12BN air conditioner 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.

Installation guide

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 109 parts  |
Rmt Cntl Crd T2W510495
#9

Remote controller diagram

Rmt cntl crd

Part #T2W510495

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

Cap Screw T2W511067
#8

Indoor unit diagram

Cap screw

Part #T2W511067

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

Rem Cntl Box T2W524080
#8

Remote controller diagram

Rem cntl box

Part #T2W524080

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

Wal Hol Cvr M21480973
#6

Accessories diagram

Wal hol cvr

Part #M21480973

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

Nzzle Asmby T2W521235
#1

Indoor unit diagram

Nzzle asmby

Part #T2W521235

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

Gude Vn Set T2W522042
#29

Indoor unit diagram

Gude vn set

Part #T2W522042

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

Ln Flw Fan T2W521302
#21

Indoor unit diagram

Ln flw fan

Part #T2W521302

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

Chrge Plug T2W457641
#13

Outdoor unit diagram

Chrge plug

Part #T2W457641

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

Heat Exchng T2W523620
#19

Indoor unit diagram

Heat exchng

Part #T2W523620

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

Rmt Cntl Asy T2W524426
#4

Remote controller diagram

Rmt cntl asy

Part #T2W524426

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

Effective articles & videos to help repair your air handlers

View all
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.…

Read more

Parts & More