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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  |
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
Guard,coil 42KG8A32280
#9

Cabinet assy diagram

Guard,coil

Part #42KG8A32280

$78.91
In Stock
Carrier Contrl,box 40QN660005
#11

Cabinet assy diagram

Carrier contrl,box

Part #40QN660005

$1348.22
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
Cabinet, Front Frame 42KH8M20120
#24

Cabinet assy diagram

Cabinet, front frame

Part #42KH8M20120

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

Clip,coil SW711A4142B
#12

Cabinet assy diagram

Clip,coil

Part #SW711A4142B

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

Drain Pan 42KPWX2010C
#14

Cabinet assy diagram

Drain pan

Part #42KPWX2010C

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

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

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Why won't my range's gas burner spark or ignite?

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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.…

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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…

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Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

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Repair difficulty
Time required
 15 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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