Carrier
Air Handler

Model # FX4CNB048000AAAA Official Carrier air handler

Here are the diagrams and repair parts for Official Carrier FX4CNB048000AAAA air handler, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 151 parts  |

Cover C.b. 323437-404
#NI

Cabinet parts diagram

Cover c.b.

Part #323437-404

In Stock
Baffle 316834-204
#NI

Cabinet parts diagram

Baffle

Part #316834-204

In Stock
Bracket 314900-203
#5

Blower assy diagram

Bracket

Part #314900-203

In Stock
Grommet 314987-201
#9

Cabinet parts diagram

Grommet

Part #314987-201

In Stock
Fuse Hold HY11UM461
#NI

Cabinet parts diagram

Fuse hold

Part #HY11UM461

In Stock
Bolt 07-1824
#NI

Cabinet parts diagram

Bolt

Part #07-1824

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
Element 320074-702
#NI

Cabinet parts diagram

Element

Part #320074-702

In Stock
Element 320074-701
#NI

Cabinet parts diagram

Element

Part #320074-701

$144.37
8% OFF Phone Price : $156.37
In Stock
Latch 314875-201
#NI

Cabinet parts diagram

Latch

Part #314875-201

This item is not returnable
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your air handlers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…