Carrier
Heating & Cooling Combined Unit

Model #48GX024040300 Official Carrier central package

Here are the diagrams and repair parts for Carrier 48GX024040300 central package, as well as links to manuals and error code tables, if available.

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Installation guideOwner’s manual

Showing 10 of 118 parts

Blower Wheel

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Wheel,blwr

Part #LA21RB553
Replaced by #LA21RB549
?
Manufacturer substitution
This part replaces LA21RB553. Substitute parts can look different from the original.
In Stock
$71.93
Switch#105

Gas section Diagram

Switch

Part #HH18HA460
In Stock
$37.14
Filter

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Filter

Part #9460-6400
In Stock
$172.99
Panel

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Panel

Part #48GS500010
In Stock
$42.49
Motor#62

Blower asy Diagram

Motor

Part #HC41AE210
In Stock
$340.04
Coil Cond#72

Evaporator Diagram

Coil cond

Part #48GS400123
In Stock
$1428.60
Transformer#53

Control box Diagram

Transformer

Part #HT01BD209
In Stock
$99.99
Top Cover#19

Grille option Diagram

Top cover

Part #48GS500003
In Stock
$148.49
Paint#NI

Grille option Diagram

Paint

Part #313974-751
In Stock
$24.36
Insulation#30

Interior view Diagram

Insulation

Part #48GS500063
In Stock
$45.49

Symptoms common to all heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

Thermostat problem, clogged air filter, burner failure
Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor
Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.
Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring failures.
Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor
Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch

Repair guides common to all heating & cooling combined units

These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

How to replace the furnace flame sensor

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only stay on for a few seconds.

Repair difficulty
Time required
 15 minutes or less
How to unclog the air conditioner drain line

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start dripping below the inside air conditioner unit. Follow the steps in this guide to unclog the drain pipe.

Repair difficulty
Time required
 15 minutes or less
How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.

Repair difficulty
Time required
 30 minutes or less

Articles and videos common to all heating & cooling combined units

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

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