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Carrier
Air Handler

Model # 40QNQ018301 Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier 40QNQ018301 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 32 parts  |
Guard,coil 42KG8A32280
#9

Cabinet assy diagram

Guard,coil

Part #42KG8A32280

$78.91
In Stock
Remote,kit 40QN660002
#30

Cabinet assy diagram

Remote,kit

Part #40QN660002

$241.98
In Stock
Front Panel 42KH8A30140
#29

Cabinet assy diagram

Front panel

Part #42KH8A30140

$313.71
In Stock
Carrier Contrl,box 40QN660005
#11

Cabinet assy diagram

Carrier contrl,box

Part #40QN660005

$1348.22
In Stock
Bracket Unit 42KH8M3003B
#23

Cabinet assy diagram

Bracket unit

Part #42KH8M3003B

$255.51
In Stock
Guard,coil 42KG8A3223A
#10

Cabinet assy diagram

Guard,coil

Part #42KG8A3223A

$54.76
In Stock
Cap 42KP5A30160
#21

Cabinet assy diagram

Cap

Part #42KP5A30160

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

Cover,ctrl 42KH8M32060
#26

Cabinet assy diagram

Cover,ctrl

Part #42KH8M32060

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

Room Air Conditioner Blower Wheel 42KGAA2020F
#5

Cabinet assy diagram

Room air conditioner blower wheel

Part #42KGAA2020F

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

Drain Tube 42KP8A3015D
#20

Cabinet assy diagram

Drain tube

Part #42KP8A3015D

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

Repair guides for side-by-side refrigerators

How to replace an ice dispenser motor in a side-by-side refrigerator

How to replace an ice dispenser motor in a side-by-side refrigerator

If your side-by-side refrigerator isn’t churning out ice, replacing the motor could fix the problem. These steps explain…

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Repair difficulty
Time required
 45 minutes or less
How to replace a defrost heater in a side-by-side refrigerator

How to replace a defrost heater in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost heater could be faulty. Follow the…

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Repair difficulty
Time required
 45 minutes or less
How to replace an evaporator fan motor in a side-by-side refrigerator

How to replace an evaporator fan motor in a side-by-side refrigerator

If your refrigerator isn't as cold as it should be, it could be that the evaporator fan motor isn't circulating air. Thi…

Read more
Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your air handlers

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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.…

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