Carrier
Air Handler

Model # FX4CNF018000 Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier FX4CNF018000 air handler, 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 141 parts  |

Mtr Mnt Band P251-0078
#NI

Cabinet parts diagram

Mtr mnt band

Part #P251-0078

In Stock
Connector HY90AZ021
#32

Cabinet parts diagram

Connector

Part #HY90AZ021

This item is not returnable
In Stock
Furnace Temperature Limit Switch HH19ZA950
#NI

Cabinet parts diagram

Furnace temperature limit switch

Part #HH19ZA950

$63.98
9% OFF Phone Price : $69.98
In Stock
Plug,elec HY06AM012
#NI

Cabinet parts diagram

Plug,elec

Part #HY06AM012

In Stock
Sw Temp Act HH19ZA930
#NI

Cabinet parts diagram

Sw temp act

Part #HH19ZA930

In Stock
Bracket 314900-201
#5

Blower assy diagram

Bracket

Part #314900-201

In Stock
Cover C.b. 323437-404
#NI

Cabinet parts diagram

Cover c.b.

Part #323437-404

In Stock
Central Air Conditioner Air Handler Blower Motor Relay (replaces Hn61pc003) HN61PC002
#NI

Cabinet parts diagram

Central air conditioner air handler blower motor relay (replaces hn61pc003)

Part #HN61PC002

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

Harness,wi 330649-701
#NI

Cabinet parts diagram

Harness,wi

Part #330649-701

In Stock
Sw Temp Act HH12HV145
#NI

Cabinet parts diagram

Sw temp act

Part #HH12HV145

In Stock

Symptoms for electric ranges

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Repair difficulty
Time required
 30 minutes or less
How to replace an electric range oven door outer glass panel

How to replace an electric range oven door outer glass panel

Learn how to replace a damaged outer window panel on your oven door with these step-by-step instructions. …

Repair difficulty
Time required
 45 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric 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.…