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LG
Heating & Cooling Combined Unit

Model # LP120HED1 Official LG package unit

Here are the diagrams and repair parts for Official LG LP120HED1 package unit, 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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ALL PARTS
Showing 10 of 52 parts  |
Room Air Conditioner Control Panel Overlay 3831A20145E
#8310

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Room air conditioner control panel overlay

Part #3831A20145E

$27.47 | 
18% OFF Phone Price : $33.47
In Stock
Thermistor 6323A20006H
#230A

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Thermistor

Part #6323A20006H

Replaced by #EBG61106833

?
Manufacturer substitution
This part replaces 6323A20006H. Substitute parts can look different from the original.
$14.51
In Stock
Room Air Conditioner Blower Wheel Bearing 4280A20004A
#2800

Exploded view parts diagram

Room air conditioner blower wheel bearing

Part #4280A20004A

Replaced by #4280A20004M

?
Manufacturer substitution
This part replaces 4280A20004A. Substitute parts can look different from the original.
This item is not returnable
$5.58 | 
15% OFF Phone Price : $6.58
In Stock
Room Air Conditioner Front Grille Assembly 3531A10149D
#5312

Exploded view parts diagram

Room air conditioner front grille assembly

Part #3531A10149D

Replaced by #3531A10149J

?
Manufacturer substitution
This part replaces 3531A10149D. Substitute parts can look different from the original.
$105.92
In Stock
Supporter 4800A20002A
#8000

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Supporter

Part #4800A20002A

$10.60
In Stock
Power Cord 6411A20022F
#4110

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Power cord

Part #6411A20022F

$88.36
In Stock
Condenser Assembly 5403A20091D
#4030

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Condenser assembly

Part #5403A20091D

$277.99
In Stock
Room Air Conditioner Thermostat Control Board 6871A00086A
#711D

Exploded view parts diagram

Room air conditioner thermostat control board

Part #6871A00086A

$23.07
In Stock
Compressor 5416A30005A
#4160

Exploded view parts diagram

Compressor

Part #5416A30005A

$352.65
In Stock
Knob 4940A30037A
#9400

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Knob

Part #4940A30037A

This item is not returnable
$4.51
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
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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

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

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

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