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Carrier
Heating & Cooling Combined Unit

Model # 48GX042090300 Official Carrier central package

Here are the diagrams and repair parts for Official Carrier 48GX042090300 central package, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 113 parts  |
Contactor HN51JD024
#48

Control box diagram

Contactor

Part #HN51JD024

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

Circ Board LH33WP003
#50

Inside view diagram

Circ board

Part #LH33WP003

$495.60
| 
$12.00 OFF Phone Price : $507.60
In Stock
Central Air Conditioner Heat Exchanger 48GS660003
Central air conditioner heat exchanger

Part #48GS660003

$769.05
In Stock
Furnace Heat Exchanger Cover 48GS400108
#81

Gas section diagram

Furnace heat exchanger cover

Part #48GS400108

$325.53
| 
$12.00 OFF Phone Price : $337.53
In Stock
Temp Swtch HH18HA211
#97

Burner asy diagram

Temp swtch

Part #HH18HA211

$25.71
In Stock
Blower Assembly 48GS400106
Blower assembly

Part #48GS400106

Replaced by #48GS400649

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Manufacturer substitution
This part replaces 48GS400106. Substitute parts can look different from the original.
$708.46
| 
$12.00 OFF Phone Price : $720.46
In Stock
Plate 50SS500879
#34

Gas section diagram

Plate

Part #50SS500879

$558.65
In Stock
Sensor 9901-0001
#112

Accessory 1 diagram

Sensor

Part #9901-0001

$96.47
In Stock
Sensor 48GS400192
#84

Burner asy diagram

Sensor

Part #48GS400192

$26.54
In Stock
Grommet KA56TR057
#41

Evaporator diagram

Grommet

Part #KA56TR057

This item is not returnable
$4.89
In Stock

Most common symptoms to help you fix your heating & cooling combined units

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

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure...

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Why isn’t my air conditioner cooling well?

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor...

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Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor...

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Why won’t my furnace burners won’t stay lit?

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch...

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Why won't my air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure....

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Why won't my furnace turn on?

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail...

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Most common repair guides to help fix your heating & cooling combined units

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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 d...

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Repair difficulty
Time required
15 minutes or less
How to replace the furnace flame sensor

How to replace the furnace flame sensor

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15 minutes or less
How to replace a heating and air conditioning system thermostat

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....

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Time required
30 minutes or less

Effective articles & videos to help repair your 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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Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long....

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