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Carrier
Air Handler

Model # 40BNQ018301 Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier 40BNQ018301 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 29 parts  |
Cable 51303540900
#30

Air handler diagram

Cable

Part #51303540900

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

Drain Hose 51202360500
#23

Air handler diagram

Drain hose

Part #51202360500

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

Collector 51300908100
#21

Air handler diagram

Collector

Part #51300908100

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

Sensor 51303502660
#26

Air handler diagram

Sensor

Part #51303502660

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

Frame 51308443310
#17

Air handler diagram

Frame

Part #51308443310

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

Filter 51301030400
#22

Air handler diagram

Filter

Part #51301030400

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

Sensor 51303502790
#25

Air handler diagram

Sensor

Part #51303502790

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

Evaporator Coil 51308470550
#3

Air handler diagram

Evaporator coil

Part #51308470550

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

Bracket Unit Mounting 51304478800
#1

Air handler diagram

Bracket unit mounting

Part #51304478800

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

Remote Ctl 51303504406
#27

Air handler diagram

Remote ctl

Part #51303504406

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

Repair guides for bottom-mount refrigerators

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How to replace a door gasket in a French-door refrigerator

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How to replace a refrigerator water valve

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Repair difficulty
Time required
 120 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

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Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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