Carrier
Air Handler

Model #FC4DNF030000 Official Carrier air handler

Here are the diagrams and repair parts for Carrier FC4DNF030000 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.

Showing 10 of 134 parts

Central Air Conditioner Air Handler Blower Motor Relay (replaces HN61PC003)#NI

Cabinet parts Diagram

In Stock
$28.00 | 
15% OFF 
Phone Price: $33.00
Furnace Blower Fan Wheel#53

Cabinet parts Diagram

In Stock
$198.25
Sw Temp Act#NI

Cabinet parts Diagram

Sw temp act

Part #HH19ZA965
In Stock
$71.31
Harness#NI

Cabinet parts Diagram

Harness

Part #322027-701
In Stock
$8.78
Harness#NI

Cabinet parts Diagram

Harness

Part #324691-701
This item is not returnable
In Stock
$2.99
Diode Board#NI

Cabinet parts Diagram

Diode board

Part #HK61EA003
In Stock
$20.23 | 
20% OFF 
Phone Price: $25.23
Shield#NI

Cabinet parts Diagram

Shield

Part #314925-303
This item is not returnable
In Stock
$3.78
PCB Assembly#NI

Cabinet parts Diagram

Pcb assembly

Part #HK61EA004
In Stock
$102.16 | 
9% OFF 
Phone Price: $112.16
Cover Disc#15

Cabinet parts Diagram

Cover disc

Part #328114-401
In Stock
$11.18
Sw Temp Act#NI

Cabinet parts Diagram

Sw temp act

Part #HH12HV145
In Stock
$32.42

Articles and videos common to all air handlers

August 5, 2022

Introducing new technical repair content that we’re developing for the Sears Technical Institute

By Lyle Weischwill

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