Carrier
Air Handler

Model # FC4DNB042000AAAA Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier FC4DNB042000AAAA 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 165 parts  |

Latch 314875-201
#NI

Cabinet parts diagram

Latch

Part #314875-201

This item is not returnable
In Stock
Central Air Conditioner Air Handler Fan Control Board HK61EA010
#38

Base/blower assy diagram

Central air conditioner air handler fan control board

Part #HK61EA010

$118.63
9% OFF Phone Price : $130.63
In Stock
Central Air Conditioner Air Handler Transformer (replaces Ht01bd208) HT01CN241
#39

Base/blower assy diagram

Central air conditioner air handler transformer (replaces ht01bd208)

Part #HT01CN241

In Stock
Carrier 1 1/2-3ton Downflow Conv Kit KFADC0201SLP
#NI

Cabinet parts diagram

Carrier 1 1/2-3ton downflow conv kit

Part #KFADC0201SLP

In Stock
Cap R 316812-202
#NI

Cabinet parts diagram

Cap r

Part #316812-202

This item is not returnable
In Stock
Carrier 8kw1ph Non-fused Electric Htr KFCEH0801N08
#NI

Cabinet parts diagram

Carrier 8kw1ph non-fused electric htr

Part #KFCEH0801N08

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
Element 320074-701
#NI

Cabinet parts diagram

Element

Part #320074-701

$144.37
8% OFF Phone Price : $156.37
In Stock
Harness,wi 330649-701
#NI

Cabinet parts diagram

Harness,wi

Part #330649-701

In Stock
Cap L 316812-201
#NI

Cabinet parts diagram

Cap l

Part #316812-201

This item is not returnable
In Stock

Symptoms for gas ranges

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Repair guides for gas ranges

How to replace an oven temperature sensor on a gas range

How to replace an oven temperature sensor on a gas range

See how to replace an oven temperature sensor on a gas range.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark module

How to replace a range spark module

Follow these step-by-step instructions to put the fire back into the surface burners on your gas range by replacing the …

Repair difficulty
Time required
 30 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…

Repair difficulty
Time required
 15 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.…