Carrier
Air Handler

Model # 40QNC018301 Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier 40QNC018301 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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ALL PARTS
Showing 10 of 31 parts  |

Bracket Unit 42KH8M3003B
#23

Cabinet parts diagram

Bracket unit

Part #42KH8M3003B

In Stock
Guard,coil 42KG8A32280
#9

Cabinet parts diagram

Guard,coil

Part #42KG8A32280

In Stock
Guard,coil 42KG8A3223A
#10

Cabinet parts diagram

Guard,coil

Part #42KG8A3223A

In Stock
Remote,kit 40QN660002
#30

Cabinet parts diagram

Remote,kit

Part #40QN660002

In Stock
Front Panel 42KH8A30140
#29

Cabinet parts diagram

Front panel

Part #42KH8A30140

In Stock
Motor,blwr PMO01AG2590
#2

Cabinet parts diagram

Motor,blwr

Part #PMO01AG2590

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

Cabinet, Front Frame 42KH8M20120
#24

Cabinet parts diagram

Cabinet, front frame

Part #42KH8M20120

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

Bracket 53KN3A3244F
#13

Cabinet parts diagram

Bracket

Part #53KN3A3244F

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

Clip,coil SW711A4142B
#12

Cabinet parts diagram

Clip,coil

Part #SW711A4142B

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

Louver 42KP8A2214A
#16

Cabinet parts diagram

Louver

Part #42KP8A2214A

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 compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

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

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.…