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Carrier
Heating & Cooling Combined Unit

Model # 48SDN048090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48SDN048090300 package unit, 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 104 parts  |
Grille 50SZ400156
#4

Cabinet parts diagram

Grille

Part #50SZ400156

$555.72
In Stock
Circ Board LH33WP003
#NI

Cabinet parts diagram

Circ board

Part #LH33WP003

$495.60 | 
$12.00 OFF Phone Price : $507.60
In Stock
Igniter 48GS400168
#NI

Cabinet parts diagram

Igniter

Part #48GS400168

$42.13
In Stock
Top, Evap 48GS400244
#NI

Cabinet parts diagram

Top, evap

Part #48GS400244

$427.15
In Stock
Sensor 48GS400192
#NI

Cabinet parts diagram

Sensor

Part #48GS400192

$26.54
In Stock
Housing 48GS500142
#NI

Cabinet parts diagram

Housing

Part #48GS500142

$61.78
In Stock
Motor,outd HC39GE208
#94

Cabinet parts diagram

Motor,outd

Part #HC39GE208

$490.83
In Stock
Panel 48GS500235
#20

Cabinet parts diagram

Panel

Part #48GS500235

$293.29
In Stock
Bolt AA06BS228
#NI

Cabinet parts diagram

Bolt

Part #AA06BS228

This item is not returnable
$3.83
In Stock
Insulation 48GS500302
#NI

Cabinet parts diagram

Insulation

Part #48GS500302

$103.78
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 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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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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Most common repair guides to help fix your heating & cooling combined units

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

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How to unclog the air conditioner drain line

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

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only sta…

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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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Repair difficulty
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

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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