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Carrier
Heating & Cooling Combined Unit

Model # 48XZ048090300 Official Carrier central package

Here are the diagrams and repair parts for Official Carrier 48XZ048090300 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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Showing 10 of 86 parts  |
Circ Board LH33WP003
#65

Control box assy/panel assy diagram

Circ board

Part #LH33WP003

$495.60 | 
$12.00 OFF Phone Price : $507.60
In Stock
Defrost Pcb CESO130076-00
#76

Control box assy/panel assy diagram

Defrost pcb

Part #CESO130076-00

Replaced by #HK32EA008

?
Manufacturer substitution
This part replaces CESO130076-00. Substitute parts can look different from the original.
$223.93 | 
5% OFF Phone Price : $235.93
In Stock
Furnace Burner 50DK407030
#132

Burner assy diagram

Furnace burner

Part #50DK407030

$39.89
In Stock
Furnace Heat Exchanger Cover 48GS400108
#120

Gas section diagram

Furnace heat exchanger cover

Part #48GS400108

$325.53 | 
$12.00 OFF Phone Price : $337.53
In Stock
Central Air Conditioner Filter Dryer KH43LG072
#107

Reversing valve diagram

Central air conditioner filter dryer

Part #KH43LG072

$120.16 | 
9% OFF Phone Price : $132.16
In Stock
Temp Swtch HH18HA211
#137

Burner assy diagram

Temp swtch

Part #HH18HA211

$25.71
In Stock
Central Air Conditioner Heat Exchanger 48GS660003
#140

Gas section diagram

Central air conditioner heat exchanger

Part #48GS660003

$769.05
In Stock
Blower Assembly 48GS400106
#146

Gas section diagram

Blower assembly

Part #48GS400106

Replaced by #48GS400649

?
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
Switch HH18HA454
#123

Gas section diagram

Switch

Part #HH18HA454

$139.46
In Stock
Grille 50HJ501200
#31

Front view/louver option/rear view diagram

Grille

Part #50HJ501200

$163.72
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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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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Time required
 15 minutes or less
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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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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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How to enjoy all the online benefits we offer on our Sears PartsDirect website

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