Mitsubishi
Air Handler

Model # SEZ-KD18NA Official Mitsubishi split-system air conditioner heat pump

Here are the diagrams and repair parts for Official Mitsubishi SEZ-KD18NA split-system 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.

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 36 parts  |

Socket Assembly E17409704
#109

External parts diagram

Socket assembly

Part #E17409704

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

Pipe Cover E17319690
#106

External parts diagram

Pipe cover

Part #E17319690

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

Fan Joint E17321518
#312

Blower parts diagram

Fan joint

Part #E17321518

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

Panel 2-un E17326718
#118

External parts diagram

Panel 2-un

Part #E17326718

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

Mount Rt E17320505
#306

Blower parts diagram

Mount rt

Part #E17320505

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

Thermistor E17319308
#404

Control box assy diagram

Thermistor

Part #E17319308

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

Terminal Block E17162375
#403

Control box assy diagram

Terminal block

Part #E17162375

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

Panel Duct E17531800
#134

External parts diagram

Panel duct

Part #E17531800

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

Filter E17326100
#122

External parts diagram

Filter

Part #E17326100

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

Nut Flare E17321660
#125

External parts diagram

Nut flare

Part #E17321660

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

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair difficulty
Time required
 30 minutes or less
How to replace the brake interlock switch on a riding lawn mower

How to replace the brake interlock switch on a riding lawn mower

If the engine won’t start even though the brake is on, the brake interlock switch could be at fault. Here’s how to repla…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Repair difficulty
Time required
 45 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.…