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  |

Float Swit E17409145
#108

External parts diagram

Float swit

Part #E17409145

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

Room Air Conditioner Electronic Control Board E17679447
#401

Control box assy diagram

Room air conditioner electronic control board

Part #E17679447

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

Shaft 4fan E17326499
#310

Blower parts diagram

Shaft 4fan

Part #E17326499

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

Heat Exchange E17531620
#104

External parts diagram

Heat exchange

Part #E17531620

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

Drain Pan E17477700
#112

External parts diagram

Drain pan

Part #E17477700

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

Motor E17321300
#308

Blower parts diagram

Motor

Part #E17321300

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

Fan Joint E17321518
#312

Blower parts diagram

Fan joint

Part #E17321518

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

Symptoms for gas ranges

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

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.…