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LG
Heating & Cooling Combined Unit

Model # LP126CD3A Official LG air conditioner

Here are the diagrams and repair parts for Official LG LP126CD3A air conditioner, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 59 parts  |
Room Air Conditioner Control Panel Overlay 3831A20145E
#8310

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Room air conditioner control panel overlay

Part #3831A20145E

$27.47 | 
15% OFF Phone Price : $32.47
In Stock
Room Air Conditioner Control Panel 3720A20710A
#7200

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Room air conditioner control panel

Part #3720A20710A

$27.47 | 
15% OFF Phone Price : $32.47
In Stock
Room Air Conditioner Compressor Overload Protector 6750U-L018A
#7502

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Room air conditioner compressor overload protector

Part #6750U-L018A

$24.09
In Stock
Room Air Conditioner Condenser Fan Blade 5901A20051A
#5590

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Room air conditioner condenser fan blade

Part #5901A20051A

$29.98 | 
14% OFF Phone Price : $34.98
In Stock
Room Air Conditioner Compressor Grommet 4H00982E
#5501

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Room air conditioner compressor grommet

Part #4H00982E

This item is not returnable
$3.51 | 
22% OFF Phone Price : $4.51
In Stock
Pressure Switch EBF40271413
#6000

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Pressure switch

Part #EBF40271413

$71.93
In Stock
Tube Assy, E 5211A29905A
#2115

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Tube assy, e

Part #5211A29905A

$35.96
In Stock
Tube Assembly 5211A24129V
#2113

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Tube assembly

Part #5211A24129V

$57.99
In Stock
Cover 3550A30111A
#500B

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Cover

Part #3550A30111A

This item is not returnable
$4.51
In Stock
Shroud 4999A20004C
#9990

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Shroud

Part #4999A20004C

$35.96
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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Repair difficulty
Time required
 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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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

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 prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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Top questions about Sears and Sears PartsDirect

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